*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lprocfs_status.h>
#include <cl_object.h>
#include <lustre_fid.h>
+#include <lustre_lmv.h>
#include <lustre_acl.h>
-#include <lustre_ioctl.h>
+#include <uapi/linux/lustre/lustre_ioctl.h>
#include <lustre_net.h>
#ifdef HAVE_SERVER_SUPPORT
# include <md_object.h>
+
+#define ETI_NAME_LEN 20
+
#endif /* HAVE_SERVER_SUPPORT */
#include "echo_internal.h"
* @{
*/
+/* echo thread key have a CL_THREAD flag, which set cl_env function directly */
+#define ECHO_MD_CTX_TAG (LCT_REMEMBER | LCT_MD_THREAD)
+#define ECHO_DT_CTX_TAG (LCT_REMEMBER | LCT_DT_THREAD)
+#define ECHO_SES_TAG (LCT_REMEMBER | LCT_SESSION | LCT_SERVER_SESSION)
+
struct echo_device {
struct cl_device ed_cl;
struct echo_client_obd *ed_ec;
struct echo_page {
struct cl_page_slice ep_cl;
- struct mutex ep_lock;
+ unsigned long ep_lock;
};
struct echo_lock {
#endif /* HAVE_SERVER_SUPPORT */
static int echo_client_setup(const struct lu_env *env,
- struct obd_device *obddev,
- struct lustre_cfg *lcfg);
+ struct obd_device *obddev,
+ struct lustre_cfg *lcfg);
static int echo_client_cleanup(struct obd_device *obddev);
-
/** \defgroup echo_helpers Helper functions
* @{
*/
static inline struct echo_device *cl2echo_dev(const struct cl_device *dev)
{
- return container_of0(dev, struct echo_device, ed_cl);
+ return container_of0(dev, struct echo_device, ed_cl);
}
static inline struct cl_device *echo_dev2cl(struct echo_device *d)
{
- return &d->ed_cl;
+ return &d->ed_cl;
}
static inline struct echo_device *obd2echo_dev(const struct obd_device *obd)
{
- return cl2echo_dev(lu2cl_dev(obd->obd_lu_dev));
+ return cl2echo_dev(lu2cl_dev(obd->obd_lu_dev));
}
static inline struct cl_object *echo_obj2cl(struct echo_object *eco)
{
- return &eco->eo_cl;
+ return &eco->eo_cl;
}
static inline struct echo_object *cl2echo_obj(const struct cl_object *o)
{
- return container_of(o, struct echo_object, eo_cl);
+ return container_of(o, struct echo_object, eo_cl);
}
static inline struct echo_page *cl2echo_page(const struct cl_page_slice *s)
{
- return container_of(s, struct echo_page, ep_cl);
+ return container_of(s, struct echo_page, ep_cl);
}
static inline struct echo_lock *cl2echo_lock(const struct cl_lock_slice *s)
{
- return container_of(s, struct echo_lock, el_cl);
+ return container_of(s, struct echo_lock, el_cl);
}
static inline struct cl_lock *echo_lock2cl(const struct echo_lock *ecl)
{
- return ecl->el_cl.cls_lock;
+ return ecl->el_cl.cls_lock;
}
static struct lu_context_key echo_thread_key;
+
static inline struct echo_thread_info *echo_env_info(const struct lu_env *env)
{
- struct echo_thread_info *info;
- info = lu_context_key_get(&env->le_ctx, &echo_thread_key);
- LASSERT(info != NULL);
- return info;
+ struct echo_thread_info *info;
+
+ info = lu_context_key_get(&env->le_ctx, &echo_thread_key);
+ LASSERT(info != NULL);
+ return info;
}
static inline
struct echo_object_conf *cl2echo_conf(const struct cl_object_conf *c)
{
- return container_of(c, struct echo_object_conf, eoc_cl);
+ return container_of(c, struct echo_object_conf, eoc_cl);
}
#ifdef HAVE_SERVER_SUPPORT
struct echo_thread_info {
struct echo_object_conf eti_conf;
struct lustre_md eti_md;
-
struct cl_2queue eti_queue;
struct cl_io eti_io;
struct cl_lock eti_lock;
struct md_attr eti_ma;
struct lu_name eti_lname;
/* per-thread values, can be re-used */
- void *eti_big_lmm;
+ void *eti_big_lmm; /* may be vmalloc'd */
int eti_big_lmmsize;
- char eti_name[20];
+ char eti_name[ETI_NAME_LEN];
struct lu_buf eti_buf;
- char eti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
+ /* If we want to test large ACL, then need to enlarge the buffer. */
+ char eti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE_OLD];
#endif
};
/* No session used right now */
struct echo_session_info {
- unsigned long dummy;
+ unsigned long dummy;
};
static struct kmem_cache *echo_lock_kmem;
/* static struct kmem_cache *echo_req_kmem; */
static struct lu_kmem_descr echo_caches[] = {
- {
- .ckd_cache = &echo_lock_kmem,
- .ckd_name = "echo_lock_kmem",
- .ckd_size = sizeof (struct echo_lock)
- },
- {
- .ckd_cache = &echo_object_kmem,
- .ckd_name = "echo_object_kmem",
- .ckd_size = sizeof (struct echo_object)
- },
- {
- .ckd_cache = &echo_thread_kmem,
- .ckd_name = "echo_thread_kmem",
- .ckd_size = sizeof (struct echo_thread_info)
- },
- {
- .ckd_cache = &echo_session_kmem,
- .ckd_name = "echo_session_kmem",
- .ckd_size = sizeof (struct echo_session_info)
- },
- {
- .ckd_cache = NULL
- }
+ {
+ .ckd_cache = &echo_lock_kmem,
+ .ckd_name = "echo_lock_kmem",
+ .ckd_size = sizeof(struct echo_lock)
+ },
+ {
+ .ckd_cache = &echo_object_kmem,
+ .ckd_name = "echo_object_kmem",
+ .ckd_size = sizeof(struct echo_object)
+ },
+ {
+ .ckd_cache = &echo_thread_kmem,
+ .ckd_name = "echo_thread_kmem",
+ .ckd_size = sizeof(struct echo_thread_info)
+ },
+ {
+ .ckd_cache = &echo_session_kmem,
+ .ckd_name = "echo_session_kmem",
+ .ckd_size = sizeof(struct echo_session_info)
+ },
+ {
+ .ckd_cache = NULL
+ }
};
/** \defgroup echo_page Page operations
* @{
*/
static int echo_page_own(const struct lu_env *env,
- const struct cl_page_slice *slice,
- struct cl_io *io, int nonblock)
+ const struct cl_page_slice *slice,
+ struct cl_io *io, int nonblock)
{
- struct echo_page *ep = cl2echo_page(slice);
+ struct echo_page *ep = cl2echo_page(slice);
- if (!nonblock)
- mutex_lock(&ep->ep_lock);
- else if (!mutex_trylock(&ep->ep_lock))
- return -EAGAIN;
- return 0;
+ if (!nonblock) {
+ if (test_and_set_bit(0, &ep->ep_lock))
+ return -EAGAIN;
+ } else {
+ while (test_and_set_bit(0, &ep->ep_lock))
+ wait_on_bit(&ep->ep_lock, 0, TASK_UNINTERRUPTIBLE);
+ }
+ return 0;
}
static void echo_page_disown(const struct lu_env *env,
- const struct cl_page_slice *slice,
- struct cl_io *io)
+ const struct cl_page_slice *slice,
+ struct cl_io *io)
{
- struct echo_page *ep = cl2echo_page(slice);
+ struct echo_page *ep = cl2echo_page(slice);
- LASSERT(mutex_is_locked(&ep->ep_lock));
- mutex_unlock(&ep->ep_lock);
+ LASSERT(test_bit(0, &ep->ep_lock));
+ clear_and_wake_up_bit(0, &ep->ep_lock);
}
static void echo_page_discard(const struct lu_env *env,
- const struct cl_page_slice *slice,
- struct cl_io *unused)
+ const struct cl_page_slice *slice,
+ struct cl_io *unused)
{
- cl_page_delete(env, slice->cpl_page);
+ cl_page_delete(env, slice->cpl_page);
}
static int echo_page_is_vmlocked(const struct lu_env *env,
- const struct cl_page_slice *slice)
+ const struct cl_page_slice *slice)
{
- if (mutex_is_locked(&cl2echo_page(slice)->ep_lock))
- return -EBUSY;
- return -ENODATA;
+ if (test_bit(0, &cl2echo_page(slice)->ep_lock))
+ return -EBUSY;
+ return -ENODATA;
}
static void echo_page_completion(const struct lu_env *env,
- const struct cl_page_slice *slice,
- int ioret)
+ const struct cl_page_slice *slice,
+ int ioret)
{
- LASSERT(slice->cpl_page->cp_sync_io != NULL);
+ LASSERT(slice->cpl_page->cp_sync_io != NULL);
}
static void echo_page_fini(const struct lu_env *env,
- struct cl_page_slice *slice)
+ struct cl_page_slice *slice,
+ struct pagevec *pvec)
{
struct echo_object *eco = cl2echo_obj(slice->cpl_obj);
- ENTRY;
+ ENTRY;
atomic_dec(&eco->eo_npages);
- page_cache_release(slice->cpl_page->cp_vmpage);
+ put_page(slice->cpl_page->cp_vmpage);
EXIT;
}
static int echo_page_prep(const struct lu_env *env,
- const struct cl_page_slice *slice,
- struct cl_io *unused)
+ const struct cl_page_slice *slice,
+ struct cl_io *unused)
{
- return 0;
+ return 0;
}
static int echo_page_print(const struct lu_env *env,
- const struct cl_page_slice *slice,
- void *cookie, lu_printer_t printer)
+ const struct cl_page_slice *slice,
+ void *cookie, lu_printer_t printer)
{
struct echo_page *ep = cl2echo_page(slice);
(*printer)(env, cookie, LUSTRE_ECHO_CLIENT_NAME"-page@%p %d vm@%p\n",
- ep, mutex_is_locked(&ep->ep_lock),
+ ep, test_bit(0, &ep->ep_lock),
slice->cpl_page->cp_vmpage);
return 0;
}
static const struct cl_page_operations echo_page_ops = {
- .cpo_own = echo_page_own,
- .cpo_disown = echo_page_disown,
- .cpo_discard = echo_page_discard,
- .cpo_fini = echo_page_fini,
- .cpo_print = echo_page_print,
- .cpo_is_vmlocked = echo_page_is_vmlocked,
- .io = {
- [CRT_READ] = {
- .cpo_prep = echo_page_prep,
- .cpo_completion = echo_page_completion,
- },
- [CRT_WRITE] = {
- .cpo_prep = echo_page_prep,
- .cpo_completion = echo_page_completion,
- }
- }
+ .cpo_own = echo_page_own,
+ .cpo_disown = echo_page_disown,
+ .cpo_discard = echo_page_discard,
+ .cpo_fini = echo_page_fini,
+ .cpo_print = echo_page_print,
+ .cpo_is_vmlocked = echo_page_is_vmlocked,
+ .io = {
+ [CRT_READ] = {
+ .cpo_prep = echo_page_prep,
+ .cpo_completion = echo_page_completion,
+ },
+ [CRT_WRITE] = {
+ .cpo_prep = echo_page_prep,
+ .cpo_completion = echo_page_completion,
+ }
+ }
};
+
/** @} echo_page */
/** \defgroup echo_lock Locking
* @{
*/
static void echo_lock_fini(const struct lu_env *env,
- struct cl_lock_slice *slice)
+ struct cl_lock_slice *slice)
{
- struct echo_lock *ecl = cl2echo_lock(slice);
+ struct echo_lock *ecl = cl2echo_lock(slice);
LASSERT(list_empty(&ecl->el_chain));
- OBD_SLAB_FREE_PTR(ecl, echo_lock_kmem);
+ OBD_SLAB_FREE_PTR(ecl, echo_lock_kmem);
}
static struct cl_lock_operations echo_lock_ops = {
- .clo_fini = echo_lock_fini,
+ .clo_fini = echo_lock_fini,
};
/** @} echo_lock */
{
struct echo_page *ep = cl_object_page_slice(obj, page);
struct echo_object *eco = cl2echo_obj(obj);
- ENTRY;
- page_cache_get(page->cp_vmpage);
- mutex_init(&ep->ep_lock);
+ ENTRY;
+ get_page(page->cp_vmpage);
+ /*
+ * ep_lock is similar to the lock_page() lock, and
+ * cannot usefully be monitored by lockdep.
+ * So just use a bit in an "unsigned long" and use the
+ * wait_on_bit() interface to wait for the bit to be clear.
+ */
+ ep->ep_lock = 0;
cl_page_slice_add(page, &ep->ep_cl, obj, index, &echo_page_ops);
atomic_inc(&eco->eo_npages);
RETURN(0);
}
static int echo_io_init(const struct lu_env *env, struct cl_object *obj,
- struct cl_io *io)
+ struct cl_io *io)
{
- return 0;
+ return 0;
}
static int echo_lock_init(const struct lu_env *env,
const struct cl_io *unused)
{
struct echo_lock *el;
- ENTRY;
+ ENTRY;
OBD_SLAB_ALLOC_PTR_GFP(el, echo_lock_kmem, GFP_NOFS);
- if (el != NULL) {
+ if (el) {
cl_lock_slice_add(lock, &el->el_cl, obj, &echo_lock_ops);
el->el_object = cl2echo_obj(obj);
INIT_LIST_HEAD(&el->el_chain);
atomic_set(&el->el_refcount, 0);
}
- RETURN(el == NULL ? -ENOMEM : 0);
+ RETURN(el ? 0 : -ENOMEM);
}
static int echo_conf_set(const struct lu_env *env, struct cl_object *obj,
- const struct cl_object_conf *conf)
+ const struct cl_object_conf *conf)
{
- return 0;
+ return 0;
}
static const struct cl_object_operations echo_cl_obj_ops = {
- .coo_page_init = echo_page_init,
- .coo_lock_init = echo_lock_init,
- .coo_io_init = echo_io_init,
- .coo_conf_set = echo_conf_set
+ .coo_page_init = echo_page_init,
+ .coo_lock_init = echo_lock_init,
+ .coo_io_init = echo_io_init,
+ .coo_conf_set = echo_conf_set
};
/** @} echo_cl_ops */
* @{
*/
static int echo_object_init(const struct lu_env *env, struct lu_object *obj,
- const struct lu_object_conf *conf)
+ const struct lu_object_conf *conf)
{
- struct echo_device *ed = cl2echo_dev(lu2cl_dev(obj->lo_dev));
- struct echo_client_obd *ec = ed->ed_ec;
- struct echo_object *eco = cl2echo_obj(lu2cl(obj));
- ENTRY;
-
- if (ed->ed_next) {
- struct lu_object *below;
- struct lu_device *under;
+ struct echo_device *ed = cl2echo_dev(lu2cl_dev(obj->lo_dev));
+ struct echo_client_obd *ec = ed->ed_ec;
+ struct echo_object *eco = cl2echo_obj(lu2cl(obj));
- under = ed->ed_next;
- below = under->ld_ops->ldo_object_alloc(env, obj->lo_header,
- under);
- if (below == NULL)
- RETURN(-ENOMEM);
- lu_object_add(obj, below);
- }
+ ENTRY;
+ if (ed->ed_next) {
+ struct lu_object *below;
+ struct lu_device *under;
+
+ under = ed->ed_next;
+ below = under->ld_ops->ldo_object_alloc(env, obj->lo_header,
+ under);
+ if (!below)
+ RETURN(-ENOMEM);
+ lu_object_add(obj, below);
+ }
- if (!ed->ed_next_ismd) {
- const struct cl_object_conf *cconf = lu2cl_conf(conf);
- struct echo_object_conf *econf = cl2echo_conf(cconf);
+ if (!ed->ed_next_ismd) {
+ const struct cl_object_conf *cconf = lu2cl_conf(conf);
+ struct echo_object_conf *econf = cl2echo_conf(cconf);
LASSERT(econf->eoc_oinfo != NULL);
- /* Transfer the oinfo pointer to eco that it won't be
- * freed. */
+ /*
+ * Transfer the oinfo pointer to eco that it won't be
+ * freed.
+ */
eco->eo_oinfo = *econf->eoc_oinfo;
*econf->eoc_oinfo = NULL;
} else {
eco->eo_oinfo = NULL;
}
- eco->eo_dev = ed;
+ eco->eo_dev = ed;
atomic_set(&eco->eo_npages, 0);
cl_object_page_init(lu2cl(obj), sizeof(struct echo_page));
RETURN(0);
}
-static void echo_object_free(const struct lu_env *env, struct lu_object *obj)
+static void echo_object_delete(const struct lu_env *env, struct lu_object *obj)
{
- struct echo_object *eco = cl2echo_obj(lu2cl(obj));
- struct echo_client_obd *ec = eco->eo_dev->ed_ec;
- ENTRY;
+ struct echo_object *eco = cl2echo_obj(lu2cl(obj));
+ struct echo_client_obd *ec;
+
+ ENTRY;
+
+ /* object delete called unconditolally - layer init or not */
+ if (eco->eo_dev == NULL)
+ return;
+
+ ec = eco->eo_dev->ed_ec;
LASSERT(atomic_read(&eco->eo_npages) == 0);
list_del_init(&eco->eo_obj_chain);
spin_unlock(&ec->ec_lock);
- lu_object_fini(obj);
- lu_object_header_fini(obj->lo_header);
-
- if (eco->eo_oinfo != NULL)
+ if (eco->eo_oinfo)
OBD_FREE_PTR(eco->eo_oinfo);
+}
+
+static void echo_object_free(const struct lu_env *env, struct lu_object *obj)
+{
+ struct echo_object *eco = cl2echo_obj(lu2cl(obj));
+
+ ENTRY;
+
+ lu_object_fini(obj);
+ lu_object_header_fini(obj->lo_header);
OBD_SLAB_FREE_PTR(eco, echo_object_kmem);
EXIT;
}
static int echo_object_print(const struct lu_env *env, void *cookie,
- lu_printer_t p, const struct lu_object *o)
+ lu_printer_t p, const struct lu_object *o)
{
- struct echo_object *obj = cl2echo_obj(lu2cl(o));
+ struct echo_object *obj = cl2echo_obj(lu2cl(o));
- return (*p)(env, cookie, "echoclient-object@%p", obj);
+ return (*p)(env, cookie, "echoclient-object@%p", obj);
}
static const struct lu_object_operations echo_lu_obj_ops = {
- .loo_object_init = echo_object_init,
- .loo_object_delete = NULL,
- .loo_object_release = NULL,
- .loo_object_free = echo_object_free,
- .loo_object_print = echo_object_print,
- .loo_object_invariant = NULL
+ .loo_object_init = echo_object_init,
+ .loo_object_delete = echo_object_delete,
+ .loo_object_release = NULL,
+ .loo_object_free = echo_object_free,
+ .loo_object_print = echo_object_print,
+ .loo_object_invariant = NULL
};
/** @} echo_lu_ops */
{
struct echo_object *eco;
struct lu_object *obj = NULL;
- ENTRY;
+ ENTRY;
/* we're the top dev. */
LASSERT(hdr == NULL);
OBD_SLAB_ALLOC_PTR_GFP(eco, echo_object_kmem, GFP_NOFS);
- if (eco != NULL) {
+ if (eco) {
struct cl_object_header *hdr = &eco->eo_hdr;
obj = &echo_obj2cl(eco)->co_lu;
}
static struct lu_device_operations echo_device_lu_ops = {
- .ldo_object_alloc = echo_object_alloc,
+ .ldo_object_alloc = echo_object_alloc,
};
/** @} echo_lu_dev_ops */
*/
static int echo_site_init(const struct lu_env *env, struct echo_device *ed)
{
- struct cl_site *site = &ed->ed_site_myself;
- int rc;
+ struct cl_site *site = &ed->ed_site_myself;
+ int rc;
/* initialize site */
- rc = cl_site_init(site, &ed->ed_cl);
- if (rc) {
+ rc = cl_site_init(site, &ed->ed_cl);
+ if (rc) {
CERROR("Cannot initialize site for echo client(%d)\n", rc);
- return rc;
- }
+ return rc;
+ }
rc = lu_site_init_finish(&site->cs_lu);
if (rc) {
struct echo_thread_info *info;
OBD_SLAB_ALLOC_PTR_GFP(info, echo_thread_kmem, GFP_NOFS);
- if (info == NULL)
+ if (!info)
info = ERR_PTR(-ENOMEM);
return info;
}
static void echo_thread_key_fini(const struct lu_context *ctx,
- struct lu_context_key *key, void *data)
+ struct lu_context_key *key, void *data)
{
- struct echo_thread_info *info = data;
- OBD_SLAB_FREE_PTR(info, echo_thread_kmem);
-}
+ struct echo_thread_info *info = data;
-static void echo_thread_key_exit(const struct lu_context *ctx,
- struct lu_context_key *key, void *data)
-{
+ OBD_SLAB_FREE_PTR(info, echo_thread_kmem);
}
static struct lu_context_key echo_thread_key = {
- .lct_tags = LCT_CL_THREAD,
- .lct_init = echo_thread_key_init,
- .lct_fini = echo_thread_key_fini,
- .lct_exit = echo_thread_key_exit
+ .lct_tags = LCT_CL_THREAD,
+ .lct_init = echo_thread_key_init,
+ .lct_fini = echo_thread_key_fini,
};
static void *echo_session_key_init(const struct lu_context *ctx,
struct echo_session_info *session;
OBD_SLAB_ALLOC_PTR_GFP(session, echo_session_kmem, GFP_NOFS);
- if (session == NULL)
+ if (!session)
session = ERR_PTR(-ENOMEM);
return session;
}
static void echo_session_key_fini(const struct lu_context *ctx,
- struct lu_context_key *key, void *data)
+ struct lu_context_key *key, void *data)
{
- struct echo_session_info *session = data;
- OBD_SLAB_FREE_PTR(session, echo_session_kmem);
-}
+ struct echo_session_info *session = data;
-static void echo_session_key_exit(const struct lu_context *ctx,
- struct lu_context_key *key, void *data)
-{
+ OBD_SLAB_FREE_PTR(session, echo_session_kmem);
}
static struct lu_context_key echo_session_key = {
- .lct_tags = LCT_SESSION,
- .lct_init = echo_session_key_init,
- .lct_fini = echo_session_key_fini,
- .lct_exit = echo_session_key_exit
+ .lct_tags = LCT_SESSION,
+ .lct_init = echo_session_key_init,
+ .lct_fini = echo_session_key_fini,
};
LU_TYPE_INIT_FINI(echo, &echo_thread_key, &echo_session_key);
static int echo_fid_init(struct echo_device *ed, char *obd_name,
struct seq_server_site *ss)
{
- char *prefix;
- int rc;
- ENTRY;
+ char *prefix;
+ int rc;
- OBD_ALLOC_PTR(ed->ed_cl_seq);
- if (ed->ed_cl_seq == NULL)
- RETURN(-ENOMEM);
+ ENTRY;
+ OBD_ALLOC_PTR(ed->ed_cl_seq);
+ if (!ed->ed_cl_seq)
+ RETURN(-ENOMEM);
- OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
- if (prefix == NULL)
- GOTO(out_free_seq, rc = -ENOMEM);
+ OBD_ALLOC(prefix, MAX_OBD_NAME + 5);
+ if (!prefix)
+ GOTO(out_free_seq, rc = -ENOMEM);
- snprintf(prefix, MAX_OBD_NAME + 5, "srv-%s", obd_name);
+ snprintf(prefix, MAX_OBD_NAME + 5, "srv-%s", obd_name);
/* Init client side sequence-manager */
rc = seq_client_init(ed->ed_cl_seq, NULL,
LUSTRE_SEQ_METADATA,
prefix, ss->ss_server_seq);
- ed->ed_cl_seq->lcs_width = ECHO_SEQ_WIDTH;
- OBD_FREE(prefix, MAX_OBD_NAME + 5);
- if (rc)
- GOTO(out_free_seq, rc);
+ ed->ed_cl_seq->lcs_width = ECHO_SEQ_WIDTH;
+ OBD_FREE(prefix, MAX_OBD_NAME + 5);
+ if (rc)
+ GOTO(out_free_seq, rc);
- RETURN(0);
+ RETURN(0);
out_free_seq:
- OBD_FREE_PTR(ed->ed_cl_seq);
- ed->ed_cl_seq = NULL;
- RETURN(rc);
+ OBD_FREE_PTR(ed->ed_cl_seq);
+ ed->ed_cl_seq = NULL;
+ RETURN(rc);
}
static int echo_fid_fini(struct obd_device *obddev)
{
- struct echo_device *ed = obd2echo_dev(obddev);
- ENTRY;
+ struct echo_device *ed = obd2echo_dev(obddev);
- if (ed->ed_cl_seq != NULL) {
- seq_client_fini(ed->ed_cl_seq);
- OBD_FREE_PTR(ed->ed_cl_seq);
- ed->ed_cl_seq = NULL;
- }
+ ENTRY;
+ if (ed->ed_cl_seq) {
+ seq_client_fini(ed->ed_cl_seq);
+ OBD_FREE_PTR(ed->ed_cl_seq);
+ ed->ed_cl_seq = NULL;
+ }
- RETURN(0);
+ RETURN(0);
}
static void echo_ed_los_fini(const struct lu_env *env, struct echo_device *ed)
{
ENTRY;
-
if (ed != NULL && ed->ed_next_ismd && ed->ed_los != NULL) {
local_oid_storage_fini(env, ed->ed_los);
ed->ed_los = NULL;
struct dt_object *parent = NULL;
struct dt_object *dto = NULL;
int rc = 0;
- ENTRY;
+ ENTRY;
LASSERT(!fid_is_zero(pfid));
parent = dt_locate(env, emd->emd_bottom, pfid);
if (unlikely(IS_ERR(parent)))
GOTO(out_put, rc = PTR_ERR(dto));
*fid = *lu_object_fid(&dto->do_lu);
- /* since stack is not fully set up the local_storage uses own stack
- * and we should drop its object from cache */
- lu_object_put_nocache(env, &dto->do_lu);
+ /*
+ * since stack is not fully set up the local_storage uses own stack
+ * and we should drop its object from cache
+ */
+ dt_object_put_nocache(env, dto);
EXIT;
out_put:
- lu_object_put(env, &parent->do_lu);
+ dt_object_put(env, parent);
RETURN(rc);
}
echo_md_root_get(const struct lu_env *env, struct echo_md_device *emd,
struct echo_device *ed)
{
- struct lu_fid fid;
- int rc = 0;
- ENTRY;
+ struct lu_fid fid;
+ int rc = 0;
+ ENTRY;
/* Setup local dirs */
fid.f_seq = FID_SEQ_LOCAL_NAME;
fid.f_oid = 1;
#endif /* HAVE_SERVER_SUPPORT */
static struct lu_device *echo_device_alloc(const struct lu_env *env,
- struct lu_device_type *t,
- struct lustre_cfg *cfg)
-{
- struct lu_device *next;
- struct echo_device *ed;
- struct cl_device *cd;
- struct obd_device *obd = NULL; /* to keep compiler happy */
- struct obd_device *tgt;
- const char *tgt_type_name;
- int rc;
- int cleanup = 0;
- ENTRY;
-
- OBD_ALLOC_PTR(ed);
- if (ed == NULL)
- GOTO(out, rc = -ENOMEM);
-
- cleanup = 1;
- cd = &ed->ed_cl;
- rc = cl_device_init(cd, t);
- if (rc)
- GOTO(out, rc);
-
- cd->cd_lu_dev.ld_ops = &echo_device_lu_ops;
-
- cleanup = 2;
- obd = class_name2obd(lustre_cfg_string(cfg, 0));
- LASSERT(obd != NULL);
- LASSERT(env != NULL);
-
- tgt = class_name2obd(lustre_cfg_string(cfg, 1));
- if (tgt == NULL) {
- CERROR("Can not find tgt device %s\n",
- lustre_cfg_string(cfg, 1));
- GOTO(out, rc = -ENODEV);
- }
-
- next = tgt->obd_lu_dev;
+ struct lu_device_type *t,
+ struct lustre_cfg *cfg)
+{
+ struct lu_device *next;
+ struct echo_device *ed;
+ struct cl_device *cd;
+ struct obd_device *obd = NULL; /* to keep compiler happy */
+ struct obd_device *tgt;
+ const char *tgt_type_name;
+ int rc;
+ int cleanup = 0;
+
+ ENTRY;
+ OBD_ALLOC_PTR(ed);
+ if (!ed)
+ GOTO(out, rc = -ENOMEM);
+
+ cleanup = 1;
+ cd = &ed->ed_cl;
+ rc = cl_device_init(cd, t);
+ if (rc)
+ GOTO(out, rc);
+
+ cd->cd_lu_dev.ld_ops = &echo_device_lu_ops;
+
+ cleanup = 2;
+ obd = class_name2obd(lustre_cfg_string(cfg, 0));
+ LASSERT(obd != NULL);
+ LASSERT(env != NULL);
+
+ tgt = class_name2obd(lustre_cfg_string(cfg, 1));
+ if (!tgt) {
+ CERROR("Can not find tgt device %s\n",
+ lustre_cfg_string(cfg, 1));
+ GOTO(out, rc = -ENODEV);
+ }
+
+ next = tgt->obd_lu_dev;
if (strcmp(tgt->obd_type->typ_name, LUSTRE_MDT_NAME) == 0) {
ed->ed_next_ismd = 1;
GOTO(out, rc = -EINVAL);
}
- cleanup = 3;
+ cleanup = 3;
- rc = echo_client_setup(env, obd, cfg);
- if (rc)
- GOTO(out, rc);
+ rc = echo_client_setup(env, obd, cfg);
+ if (rc)
+ GOTO(out, rc);
- ed->ed_ec = &obd->u.echo_client;
- cleanup = 4;
+ ed->ed_ec = &obd->u.echo_client;
+ cleanup = 4;
- if (ed->ed_next_ismd) {
+ if (ed->ed_next_ismd) {
#ifdef HAVE_SERVER_SUPPORT
/* Suppose to connect to some Metadata layer */
struct lu_site *ls = NULL;
struct echo_md_device *emd = NULL;
int found = 0;
- if (next == NULL) {
- CERROR("%s is not lu device type!\n",
- lustre_cfg_string(cfg, 1));
- GOTO(out, rc = -EINVAL);
- }
+ if (!next) {
+ CERROR("%s is not lu device type!\n",
+ lustre_cfg_string(cfg, 1));
+ GOTO(out, rc = -EINVAL);
+ }
- tgt_type_name = lustre_cfg_string(cfg, 2);
- if (!tgt_type_name) {
- CERROR("%s no type name for echo %s setup\n",
- lustre_cfg_string(cfg, 1),
- tgt->obd_type->typ_name);
- GOTO(out, rc = -EINVAL);
- }
+ tgt_type_name = lustre_cfg_string(cfg, 2);
+ if (!tgt_type_name) {
+ CERROR("%s no type name for echo %s setup\n",
+ lustre_cfg_string(cfg, 1),
+ tgt->obd_type->typ_name);
+ GOTO(out, rc = -EINVAL);
+ }
- ls = next->ld_site;
+ ls = next->ld_site;
spin_lock(&ls->ls_ld_lock);
list_for_each_entry(ld, &ls->ls_ld_linkage, ld_linkage) {
}
spin_unlock(&ls->ls_ld_lock);
- if (found == 0) {
- CERROR("%s is not lu device type!\n",
- lustre_cfg_string(cfg, 1));
- GOTO(out, rc = -EINVAL);
- }
+ if (found == 0) {
+ CERROR("%s is not lu device type!\n",
+ lustre_cfg_string(cfg, 1));
+ GOTO(out, rc = -EINVAL);
+ }
next = ld;
/* For MD echo client, it will use the site in MDS stack */
GOTO(out, rc);
}
#else /* !HAVE_SERVER_SUPPORT */
- CERROR("Local operations are NOT supported on client side. "
- "Only remote operations are supported. Metadata client "
- "must be run on server side.\n");
+ CERROR(
+ "Local operations are NOT supported on client side. Only remote operations are supported. Metadata client must be run on server side.\n");
GOTO(out, rc = -EOPNOTSUPP);
#endif /* HAVE_SERVER_SUPPORT */
- } else {
- /* if echo client is to be stacked upon ost device, the next is
- * NULL since ost is not a clio device so far */
- if (next != NULL && !lu_device_is_cl(next))
- next = NULL;
-
- tgt_type_name = tgt->obd_type->typ_name;
- if (next != NULL) {
- LASSERT(next != NULL);
- if (next->ld_site != NULL)
- GOTO(out, rc = -EBUSY);
-
- next->ld_site = ed->ed_site;
- rc = next->ld_type->ldt_ops->ldto_device_init(env, next,
- next->ld_type->ldt_name,
- NULL);
- if (rc)
- GOTO(out, rc);
- } else
- LASSERT(strcmp(tgt_type_name, LUSTRE_OST_NAME) == 0);
- }
-
- ed->ed_next = next;
- RETURN(&cd->cd_lu_dev);
+ } else {
+ /*
+ * if echo client is to be stacked upon ost device, the next is
+ * NULL since ost is not a clio device so far
+ */
+ if (next != NULL && !lu_device_is_cl(next))
+ next = NULL;
+
+ tgt_type_name = tgt->obd_type->typ_name;
+ if (next) {
+ LASSERT(next != NULL);
+ if (next->ld_site)
+ GOTO(out, rc = -EBUSY);
+
+ next->ld_site = ed->ed_site;
+ rc = next->ld_type->ldt_ops->ldto_device_init(env, next,
+ next->ld_type->ldt_name,
+ NULL);
+ if (rc)
+ GOTO(out, rc);
+ } else {
+ LASSERT(strcmp(tgt_type_name, LUSTRE_OST_NAME) == 0);
+ }
+ }
+
+ ed->ed_next = next;
+ RETURN(&cd->cd_lu_dev);
out:
- switch(cleanup) {
- case 4: {
- int rc2;
- rc2 = echo_client_cleanup(obd);
- if (rc2)
- CERROR("Cleanup obd device %s error(%d)\n",
- obd->obd_name, rc2);
- }
-
- case 3:
- echo_site_fini(env, ed);
- case 2:
- cl_device_fini(&ed->ed_cl);
- case 1:
- OBD_FREE_PTR(ed);
- case 0:
- default:
- break;
- }
- return(ERR_PTR(rc));
+ switch (cleanup) {
+ case 4: {
+ int rc2;
+
+ rc2 = echo_client_cleanup(obd);
+ if (rc2)
+ CERROR("Cleanup obd device %s error(%d)\n",
+ obd->obd_name, rc2);
+ }
+ /* fallthrough */
+
+ case 3:
+ echo_site_fini(env, ed);
+ /* fallthrough */
+ case 2:
+ cl_device_fini(&ed->ed_cl);
+ /* fallthrough */
+ case 1:
+ OBD_FREE_PTR(ed);
+ /* fallthrough */
+ case 0:
+ default:
+ break;
+ }
+ return ERR_PTR(rc);
}
static int echo_device_init(const struct lu_env *env, struct lu_device *d,
- const char *name, struct lu_device *next)
+ const char *name, struct lu_device *next)
{
- LBUG();
- return 0;
+ LBUG();
+ return 0;
}
static struct lu_device *echo_device_fini(const struct lu_env *env,
- struct lu_device *d)
+ struct lu_device *d)
{
- struct echo_device *ed = cl2echo_dev(lu2cl_dev(d));
- struct lu_device *next = ed->ed_next;
+ struct echo_device *ed = cl2echo_dev(lu2cl_dev(d));
+ struct lu_device *next = ed->ed_next;
- while (next && !ed->ed_next_ismd)
- next = next->ld_type->ldt_ops->ldto_device_fini(env, next);
- return NULL;
+ while (next && !ed->ed_next_ismd)
+ next = next->ld_type->ldt_ops->ldto_device_fini(env, next);
+ return NULL;
}
static void echo_lock_release(const struct lu_env *env,
- struct echo_lock *ecl,
- int still_used)
+ struct echo_lock *ecl,
+ int still_used)
{
struct cl_lock *clk = echo_lock2cl(ecl);
}
static struct lu_device *echo_device_free(const struct lu_env *env,
- struct lu_device *d)
+ struct lu_device *d)
{
- struct echo_device *ed = cl2echo_dev(lu2cl_dev(d));
- struct echo_client_obd *ec = ed->ed_ec;
- struct echo_object *eco;
- struct lu_device *next = ed->ed_next;
+ struct echo_device *ed = cl2echo_dev(lu2cl_dev(d));
+ struct echo_client_obd *ec = ed->ed_ec;
+ struct echo_object *eco;
+ struct lu_device *next = ed->ed_next;
- CDEBUG(D_INFO, "echo device:%p is going to be freed, next = %p\n",
- ed, next);
+ CDEBUG(D_INFO, "echo device:%p is going to be freed, next = %p\n",
+ ed, next);
lu_site_purge(env, ed->ed_site, -1);
- /* check if there are objects still alive.
- * It shouldn't have any object because lu_site_purge would cleanup
- * all of cached objects. Anyway, probably the echo device is being
- * parallelly accessed.
- */
+ /*
+ * check if there are objects still alive.
+ * It shouldn't have any object because lu_site_purge would cleanup
+ * all of cached objects. Anyway, probably the echo device is being
+ * parallelly accessed.
+ */
spin_lock(&ec->ec_lock);
list_for_each_entry(eco, &ec->ec_objects, eo_obj_chain)
eco->eo_deleted = 1;
spin_lock(&ec->ec_lock);
while (!list_empty(&ec->ec_objects)) {
spin_unlock(&ec->ec_lock);
- CERROR("echo_client still has objects at cleanup time, "
- "wait for 1 second\n");
+ CERROR(
+ "echo_client still has objects at cleanup time, wait for 1 second\n");
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(cfs_time_seconds(1));
lu_site_purge(env, ed->ed_site, -1);
while (next && !ed->ed_next_ismd)
next = next->ld_type->ldt_ops->ldto_device_free(env, next);
- LASSERT(ed->ed_site == d->ld_site);
- echo_site_fini(env, ed);
- cl_device_fini(&ed->ed_cl);
- OBD_FREE_PTR(ed);
+ LASSERT(ed->ed_site == d->ld_site);
+ echo_site_fini(env, ed);
+ cl_device_fini(&ed->ed_cl);
+ OBD_FREE_PTR(ed);
- return NULL;
+ cl_env_cache_purge(~0);
+
+ return NULL;
}
static const struct lu_device_type_operations echo_device_type_ops = {
- .ldto_init = echo_type_init,
- .ldto_fini = echo_type_fini,
+ .ldto_init = echo_type_init,
+ .ldto_fini = echo_type_fini,
- .ldto_start = echo_type_start,
- .ldto_stop = echo_type_stop,
+ .ldto_start = echo_type_start,
+ .ldto_stop = echo_type_stop,
- .ldto_device_alloc = echo_device_alloc,
- .ldto_device_free = echo_device_free,
- .ldto_device_init = echo_device_init,
- .ldto_device_fini = echo_device_fini
+ .ldto_device_alloc = echo_device_alloc,
+ .ldto_device_free = echo_device_free,
+ .ldto_device_init = echo_device_init,
+ .ldto_device_fini = echo_device_fini
};
static struct lu_device_type echo_device_type = {
- .ldt_tags = LU_DEVICE_CL,
- .ldt_name = LUSTRE_ECHO_CLIENT_NAME,
- .ldt_ops = &echo_device_type_ops,
- .ldt_ctx_tags = LCT_CL_THREAD | LCT_MD_THREAD | LCT_DT_THREAD,
+ .ldt_tags = LU_DEVICE_CL,
+ .ldt_name = LUSTRE_ECHO_CLIENT_NAME,
+ .ldt_ops = &echo_device_type_ops,
+ .ldt_ctx_tags = LCT_CL_THREAD | LCT_MD_THREAD | LCT_DT_THREAD,
};
/** @} echo_init */
struct cl_object *obj;
struct lov_oinfo *oinfo = NULL;
struct lu_fid *fid;
- int refcheck;
+ __u16 refcheck;
int rc;
- ENTRY;
+ ENTRY;
LASSERTF(ostid_id(oi) != 0, DOSTID"\n", POSTID(oi));
LASSERTF(ostid_seq(oi) == FID_SEQ_ECHO, DOSTID"\n", POSTID(oi));
- /* Never return an object if the obd is to be freed. */
- if (echo_dev2cl(d)->cd_lu_dev.ld_obd->obd_stopping)
- RETURN(ERR_PTR(-ENODEV));
+ /* Never return an object if the obd is to be freed. */
+ if (echo_dev2cl(d)->cd_lu_dev.ld_obd->obd_stopping)
+ RETURN(ERR_PTR(-ENODEV));
- env = cl_env_get(&refcheck);
- if (IS_ERR(env))
- RETURN((void *)env);
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN((void *)env);
- info = echo_env_info(env);
- conf = &info->eti_conf;
- if (d->ed_next) {
+ info = echo_env_info(env);
+ conf = &info->eti_conf;
+ if (d->ed_next) {
OBD_ALLOC_PTR(oinfo);
- if (oinfo == NULL)
+ if (!oinfo)
GOTO(out, eco = ERR_PTR(-ENOMEM));
oinfo->loi_oi = *oi;
conf->eoc_cl.u.coc_oinfo = oinfo;
}
- /* If echo_object_init() is successful then ownership of oinfo
- * is transferred to the object. */
+ /*
+ * If echo_object_init() is successful then ownership of oinfo
+ * is transferred to the object.
+ */
conf->eoc_oinfo = &oinfo;
fid = &info->eti_fid;
if (rc != 0)
GOTO(out, eco = ERR_PTR(rc));
- /* In the function below, .hs_keycmp resolves to
- * lu_obj_hop_keycmp() */
+ /*
+ * In the function below, .hs_keycmp resolves to
+ * lu_obj_hop_keycmp()
+ */
/* coverity[overrun-buffer-val] */
- obj = cl_object_find(env, echo_dev2cl(d), fid, &conf->eoc_cl);
- if (IS_ERR(obj))
- GOTO(out, eco = (void*)obj);
-
- eco = cl2echo_obj(obj);
- if (eco->eo_deleted) {
- cl_object_put(env, obj);
- eco = ERR_PTR(-EAGAIN);
- }
+ obj = cl_object_find(env, echo_dev2cl(d), fid, &conf->eoc_cl);
+ if (IS_ERR(obj))
+ GOTO(out, eco = (void *)obj);
+
+ eco = cl2echo_obj(obj);
+ if (eco->eo_deleted) {
+ cl_object_put(env, obj);
+ eco = ERR_PTR(-EAGAIN);
+ }
out:
- if (oinfo != NULL)
+ if (oinfo)
OBD_FREE_PTR(oinfo);
- cl_env_put(env, &refcheck);
- RETURN(eco);
+ cl_env_put(env, &refcheck);
+ RETURN(eco);
}
static int cl_echo_object_put(struct echo_object *eco)
{
- struct lu_env *env;
- struct cl_object *obj = echo_obj2cl(eco);
- int refcheck;
- ENTRY;
+ struct lu_env *env;
+ struct cl_object *obj = echo_obj2cl(eco);
+ __u16 refcheck;
+
+ ENTRY;
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
- env = cl_env_get(&refcheck);
- if (IS_ERR(env))
- RETURN(PTR_ERR(env));
+ /* an external function to kill an object? */
+ if (eco->eo_deleted) {
+ struct lu_object_header *loh = obj->co_lu.lo_header;
- /* an external function to kill an object? */
- if (eco->eo_deleted) {
- struct lu_object_header *loh = obj->co_lu.lo_header;
- LASSERT(&eco->eo_hdr == luh2coh(loh));
+ LASSERT(&eco->eo_hdr == luh2coh(loh));
set_bit(LU_OBJECT_HEARD_BANSHEE, &loh->loh_flags);
- }
+ }
- cl_object_put(env, obj);
- cl_env_put(env, &refcheck);
- RETURN(0);
+ cl_object_put(env, obj);
+ cl_env_put(env, &refcheck);
+ RETURN(0);
}
static int cl_echo_enqueue0(struct lu_env *env, struct echo_object *eco,
u64 start, u64 end, int mode,
- __u64 *cookie , __u32 enqflags)
-{
- struct cl_io *io;
- struct cl_lock *lck;
- struct cl_object *obj;
- struct cl_lock_descr *descr;
- struct echo_thread_info *info;
- int rc = -ENOMEM;
- ENTRY;
-
- info = echo_env_info(env);
- io = &info->eti_io;
+ __u64 *cookie, __u32 enqflags)
+{
+ struct cl_io *io;
+ struct cl_lock *lck;
+ struct cl_object *obj;
+ struct cl_lock_descr *descr;
+ struct echo_thread_info *info;
+ int rc = -ENOMEM;
+
+ ENTRY;
+ info = echo_env_info(env);
+ io = &info->eti_io;
lck = &info->eti_lock;
obj = echo_obj2cl(eco);
memset(lck, 0, sizeof(*lck));
descr = &lck->cll_descr;
- descr->cld_obj = obj;
- descr->cld_start = cl_index(obj, start);
- descr->cld_end = cl_index(obj, end);
- descr->cld_mode = mode == LCK_PW ? CLM_WRITE : CLM_READ;
- descr->cld_enq_flags = enqflags;
- io->ci_obj = obj;
+ descr->cld_obj = obj;
+ descr->cld_start = cl_index(obj, start);
+ descr->cld_end = cl_index(obj, end);
+ descr->cld_mode = mode == LCK_PW ? CLM_WRITE : CLM_READ;
+ descr->cld_enq_flags = enqflags;
+ io->ci_obj = obj;
rc = cl_lock_request(env, io, lck);
if (rc == 0) {
}
static int cl_echo_cancel0(struct lu_env *env, struct echo_device *ed,
- __u64 cookie)
+ __u64 cookie)
{
- struct echo_client_obd *ec = ed->ed_ec;
- struct echo_lock *ecl = NULL;
- struct list_head *el;
- int found = 0, still_used = 0;
- ENTRY;
+ struct echo_client_obd *ec = ed->ed_ec;
+ struct echo_lock *ecl = NULL;
+ struct list_head *el;
+ int found = 0, still_used = 0;
- LASSERT(ec != NULL);
+ ENTRY;
+ LASSERT(ec != NULL);
spin_lock(&ec->ec_lock);
list_for_each(el, &ec->ec_locks) {
ecl = list_entry(el, struct echo_lock, el_chain);
- CDEBUG(D_INFO, "ecl: %p, cookie: "LPX64"\n", ecl, ecl->el_cookie);
- found = (ecl->el_cookie == cookie);
- if (found) {
+ CDEBUG(D_INFO, "ecl: %p, cookie: %#llx\n", ecl, ecl->el_cookie);
+ found = (ecl->el_cookie == cookie);
+ if (found) {
if (atomic_dec_and_test(&ecl->el_refcount))
list_del_init(&ecl->el_chain);
- else
- still_used = 1;
- break;
- }
- }
+ else
+ still_used = 1;
+ break;
+ }
+ }
spin_unlock(&ec->ec_lock);
- if (!found)
- RETURN(-ENOENT);
+ if (!found)
+ RETURN(-ENOENT);
- echo_lock_release(env, ecl, still_used);
- RETURN(0);
+ echo_lock_release(env, ecl, still_used);
+ RETURN(0);
}
static void echo_commit_callback(const struct lu_env *env, struct cl_io *io,
- struct cl_page *page)
+ struct pagevec *pvec)
{
struct echo_thread_info *info;
struct cl_2queue *queue;
+ int i = 0;
info = echo_env_info(env);
LASSERT(io == &info->eti_io);
queue = &info->eti_queue;
- cl_page_list_add(&queue->c2_qout, page);
+
+ for (i = 0; i < pagevec_count(pvec); i++) {
+ struct page *vmpage = pvec->pages[i];
+ struct cl_page *page = (struct cl_page *)vmpage->private;
+
+ cl_page_list_add(&queue->c2_qout, page);
+ }
}
static int cl_echo_object_brw(struct echo_object *eco, int rw, u64 offset,
struct page **pages, int npages, int async)
{
- struct lu_env *env;
- struct echo_thread_info *info;
- struct cl_object *obj = echo_obj2cl(eco);
- struct echo_device *ed = eco->eo_dev;
- struct cl_2queue *queue;
- struct cl_io *io;
- struct cl_page *clp;
- struct lustre_handle lh = { 0 };
- int page_size = cl_page_size(obj);
- int refcheck;
- int rc;
- int i;
- ENTRY;
+ struct lu_env *env;
+ struct echo_thread_info *info;
+ struct cl_object *obj = echo_obj2cl(eco);
+ struct echo_device *ed = eco->eo_dev;
+ struct cl_2queue *queue;
+ struct cl_io *io;
+ struct cl_page *clp;
+ struct lustre_handle lh = { 0 };
+ int page_size = cl_page_size(obj);
+ int rc;
+ int i;
+ __u16 refcheck;
+ ENTRY;
LASSERT((offset & ~PAGE_MASK) == 0);
- LASSERT(ed->ed_next != NULL);
- env = cl_env_get(&refcheck);
- if (IS_ERR(env))
- RETURN(PTR_ERR(env));
+ LASSERT(ed->ed_next != NULL);
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
- info = echo_env_info(env);
- io = &info->eti_io;
- queue = &info->eti_queue;
+ info = echo_env_info(env);
+ io = &info->eti_io;
+ queue = &info->eti_queue;
- cl_2queue_init(queue);
+ cl_2queue_init(queue);
io->ci_ignore_layout = 1;
- rc = cl_io_init(env, io, CIT_MISC, obj);
- if (rc < 0)
- GOTO(out, rc);
- LASSERT(rc == 0);
-
-
- rc = cl_echo_enqueue0(env, eco, offset,
- offset + npages * PAGE_CACHE_SIZE - 1,
- rw == READ ? LCK_PR : LCK_PW, &lh.cookie,
- CEF_NEVER);
- if (rc < 0)
- GOTO(error_lock, rc);
-
- for (i = 0; i < npages; i++) {
- LASSERT(pages[i]);
- clp = cl_page_find(env, obj, cl_index(obj, offset),
- pages[i], CPT_TRANSIENT);
- if (IS_ERR(clp)) {
- rc = PTR_ERR(clp);
- break;
- }
- LASSERT(clp->cp_type == CPT_TRANSIENT);
-
- rc = cl_page_own(env, io, clp);
- if (rc) {
- LASSERT(clp->cp_state == CPS_FREEING);
- cl_page_put(env, clp);
- break;
- }
-
- cl_2queue_add(queue, clp);
-
- /* drop the reference count for cl_page_find, so that the page
- * will be freed in cl_2queue_fini. */
- cl_page_put(env, clp);
- cl_page_clip(env, clp, 0, page_size);
-
- offset += page_size;
- }
-
- if (rc == 0) {
- enum cl_req_type typ = rw == READ ? CRT_READ : CRT_WRITE;
-
- async = async && (typ == CRT_WRITE);
- if (async)
+ rc = cl_io_init(env, io, CIT_MISC, obj);
+ if (rc < 0)
+ GOTO(out, rc);
+ LASSERT(rc == 0);
+
+ rc = cl_echo_enqueue0(env, eco, offset,
+ offset + npages * PAGE_SIZE - 1,
+ rw == READ ? LCK_PR : LCK_PW, &lh.cookie,
+ CEF_NEVER);
+ if (rc < 0)
+ GOTO(error_lock, rc);
+
+ for (i = 0; i < npages; i++) {
+ LASSERT(pages[i]);
+ clp = cl_page_find(env, obj, cl_index(obj, offset),
+ pages[i], CPT_TRANSIENT);
+ if (IS_ERR(clp)) {
+ rc = PTR_ERR(clp);
+ break;
+ }
+ LASSERT(clp->cp_type == CPT_TRANSIENT);
+
+ rc = cl_page_own(env, io, clp);
+ if (rc) {
+ LASSERT(clp->cp_state == CPS_FREEING);
+ cl_page_put(env, clp);
+ break;
+ }
+
+ cl_2queue_add(queue, clp);
+
+ /*
+ * drop the reference count for cl_page_find, so that the page
+ * will be freed in cl_2queue_fini.
+ */
+ cl_page_put(env, clp);
+ cl_page_clip(env, clp, 0, page_size);
+
+ offset += page_size;
+ }
+
+ if (rc == 0) {
+ enum cl_req_type typ = rw == READ ? CRT_READ : CRT_WRITE;
+
+ async = async && (typ == CRT_WRITE);
+ if (async)
rc = cl_io_commit_async(env, io, &queue->c2_qin,
0, PAGE_SIZE,
echo_commit_callback);
else
rc = cl_io_submit_sync(env, io, typ, queue, 0);
- CDEBUG(D_INFO, "echo_client %s write returns %d\n",
- async ? "async" : "sync", rc);
- }
+ CDEBUG(D_INFO, "echo_client %s write returns %d\n",
+ async ? "async" : "sync", rc);
+ }
- cl_echo_cancel0(env, ed, lh.cookie);
- EXIT;
+ cl_echo_cancel0(env, ed, lh.cookie);
+ EXIT;
error_lock:
- cl_2queue_discard(env, io, queue);
- cl_2queue_disown(env, io, queue);
- cl_2queue_fini(env, queue);
- cl_io_fini(env, io);
+ cl_2queue_discard(env, io, queue);
+ cl_2queue_disown(env, io, queue);
+ cl_2queue_fini(env, queue);
+ cl_io_fini(env, io);
out:
- cl_env_put(env, &refcheck);
- return rc;
+ cl_env_put(env, &refcheck);
+ return rc;
}
/** @} echo_exports */
-
static u64 last_object_id;
#ifdef HAVE_SERVER_SUPPORT
static inline void echo_md_build_name(struct lu_name *lname, char *name,
__u64 id)
{
- sprintf(name, LPU64, id);
+ snprintf(name, ETI_NAME_LEN, "%llu", id);
lname->ln_name = name;
lname->ln_namelen = strlen(name);
}
static int echo_big_lmm_get(const struct lu_env *env, struct md_object *o,
struct md_attr *ma)
{
- struct echo_thread_info *info = echo_env_info(env);
- int rc;
+ struct echo_thread_info *info = echo_env_info(env);
+ int rc;
ENTRY;
LASSERT(ma->ma_lmm_size > 0);
- rc = mo_xattr_get(env, o, &LU_BUF_NULL, XATTR_NAME_LOV);
+ LASSERT(ma->ma_need & (MA_LOV | MA_LMV));
+ if (ma->ma_need & MA_LOV)
+ rc = mo_xattr_get(env, o, &LU_BUF_NULL, XATTR_NAME_LOV);
+ else
+ rc = mo_xattr_get(env, o, &LU_BUF_NULL, XATTR_NAME_LMV);
+
if (rc < 0)
RETURN(rc);
}
OBD_ALLOC_LARGE(info->eti_big_lmm, size);
- if (info->eti_big_lmm == NULL)
+ if (!info->eti_big_lmm)
RETURN(-ENOMEM);
info->eti_big_lmmsize = size;
}
info->eti_buf.lb_buf = info->eti_big_lmm;
info->eti_buf.lb_len = info->eti_big_lmmsize;
- rc = mo_xattr_get(env, o, &info->eti_buf, XATTR_NAME_LOV);
+ if (ma->ma_need & MA_LOV)
+ rc = mo_xattr_get(env, o, &info->eti_buf, XATTR_NAME_LOV);
+ else
+ rc = mo_xattr_get(env, o, &info->eti_buf, XATTR_NAME_LMV);
if (rc < 0)
RETURN(rc);
- ma->ma_valid |= MA_LOV;
+ if (ma->ma_need & MA_LOV)
+ ma->ma_valid |= MA_LOV;
+ else
+ ma->ma_valid |= MA_LMV;
+
ma->ma_lmm = info->eti_big_lmm;
ma->ma_lmm_size = rc;
{
struct echo_thread_info *info = echo_env_info(env);
struct lu_buf *buf = &info->eti_buf;
- umode_t mode = lu_object_attr(&next->mo_lu);
- int need = ma->ma_need;
+ umode_t mode = lu_object_attr(&next->mo_lu);
int rc = 0, rc2;
ENTRY;
ma->ma_valid = 0;
- if (need & MA_INODE) {
- ma->ma_need = MA_INODE;
+ if (ma->ma_need & MA_INODE) {
rc = mo_attr_get(env, next, ma);
if (rc)
GOTO(out, rc);
ma->ma_valid |= MA_INODE;
}
- if (need & MA_LOV) {
- if (S_ISREG(mode) || S_ISDIR(mode)) {
- LASSERT(ma->ma_lmm_size > 0);
- buf->lb_buf = ma->ma_lmm;
- buf->lb_len = ma->ma_lmm_size;
- rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_LOV);
- if (rc2 > 0) {
- ma->ma_lmm_size = rc2;
- ma->ma_valid |= MA_LOV;
- } else if (rc2 == -ENODATA) {
- /* no LOV EA */
- ma->ma_lmm_size = 0;
- } else if (rc2 == -ERANGE) {
- rc2 = echo_big_lmm_get(env, next, ma);
- if (rc2 < 0)
- GOTO(out, rc = rc2);
- } else {
+ if ((ma->ma_need & MA_LOV) && (S_ISREG(mode) || S_ISDIR(mode))) {
+ LASSERT(ma->ma_lmm_size > 0);
+ buf->lb_buf = ma->ma_lmm;
+ buf->lb_len = ma->ma_lmm_size;
+ rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_LOV);
+ if (rc2 > 0) {
+ ma->ma_lmm_size = rc2;
+ ma->ma_valid |= MA_LOV;
+ } else if (rc2 == -ENODATA) {
+ /* no LOV EA */
+ ma->ma_lmm_size = 0;
+ } else if (rc2 == -ERANGE) {
+ rc2 = echo_big_lmm_get(env, next, ma);
+ if (rc2 < 0)
GOTO(out, rc = rc2);
- }
+ } else {
+ GOTO(out, rc = rc2);
}
}
-#ifdef CONFIG_FS_POSIX_ACL
- if (need & MA_ACL_DEF && S_ISDIR(mode)) {
+ if ((ma->ma_need & MA_LMV) && S_ISDIR(mode)) {
+ LASSERT(ma->ma_lmm_size > 0);
+ buf->lb_buf = ma->ma_lmm;
+ buf->lb_len = ma->ma_lmm_size;
+ rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_LMV);
+ if (rc2 > 0) {
+ ma->ma_lmm_size = rc2;
+ ma->ma_valid |= MA_LMV;
+ } else if (rc2 == -ENODATA) {
+ /* no LMV EA */
+ ma->ma_lmm_size = 0;
+ } else if (rc2 == -ERANGE) {
+ rc2 = echo_big_lmm_get(env, next, ma);
+ if (rc2 < 0)
+ GOTO(out, rc = rc2);
+ } else {
+ GOTO(out, rc = rc2);
+ }
+ }
+
+#ifdef CONFIG_LUSTRE_FS_POSIX_ACL
+ if ((ma->ma_need & MA_ACL_DEF) && S_ISDIR(mode)) {
buf->lb_buf = ma->ma_acl;
buf->lb_len = ma->ma_acl_size;
rc2 = mo_xattr_get(env, next, buf, XATTR_NAME_ACL_DEFAULT);
}
#endif
out:
- ma->ma_need = need;
- CDEBUG(D_INODE, "after getattr rc = %d, ma_valid = "LPX64" ma_lmm=%p\n",
+ CDEBUG(D_INODE, "after getattr rc = %d, ma_valid = %#llx ma_lmm=%p\n",
rc, ma->ma_valid, ma->ma_lmm);
RETURN(rc);
}
ec_child = lu_object_find_at(env, &ed->ed_cl.cd_lu_dev,
fid, &conf);
- if (IS_ERR(ec_child)) {
- CERROR("Can not find the child "DFID": rc = %ld\n", PFID(fid),
- PTR_ERR(ec_child));
+ if (IS_ERR(ec_child)) {
+ CERROR("Can not find the child "DFID": rc = %ld\n", PFID(fid),
+ PTR_ERR(ec_child));
RETURN(PTR_ERR(ec_child));
- }
+ }
- child = lu_object_locate(ec_child->lo_header, ld->ld_type);
- if (child == NULL) {
- CERROR("Can not locate the child "DFID"\n", PFID(fid));
- GOTO(out_put, rc = -EINVAL);
- }
+ child = lu_object_locate(ec_child->lo_header, ld->ld_type);
+ if (!child) {
+ CERROR("Can not locate the child "DFID"\n", PFID(fid));
+ GOTO(out_put, rc = -EINVAL);
+ }
- CDEBUG(D_RPCTRACE, "Start creating object "DFID" %s %p\n",
- PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent);
+ CDEBUG(D_RPCTRACE, "Start creating object "DFID" %s %p\n",
+ PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent);
/*
* Do not perform lookup sanity check. We know that name does not exist.
*/
spec->sp_cr_lookup = 0;
- rc = mdo_create(env, parent, lname, lu2md(child), spec, ma);
- if (rc) {
- CERROR("Can not create child "DFID": rc = %d\n", PFID(fid), rc);
- GOTO(out_put, rc);
- }
- CDEBUG(D_RPCTRACE, "End creating object "DFID" %s %p rc = %d\n",
- PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent, rc);
+ rc = mdo_create(env, parent, lname, lu2md(child), spec, ma);
+ if (rc) {
+ CERROR("Can not create child "DFID": rc = %d\n", PFID(fid), rc);
+ GOTO(out_put, rc);
+ }
+ CDEBUG(D_RPCTRACE, "End creating object "DFID" %s %p rc = %d\n",
+ PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent, rc);
EXIT;
out_put:
- lu_object_put(env, ec_child);
- return rc;
+ lu_object_put(env, ec_child);
+ return rc;
}
static int echo_set_lmm_size(const struct lu_env *env, struct lu_device *ld,
return 0;
}
+static int
+echo_md_dir_stripe_choose(const struct lu_env *env, struct echo_device *ed,
+ struct lu_object *obj, const char *name,
+ unsigned int namelen, __u64 id,
+ struct lu_object **new_parent)
+{
+ struct echo_thread_info *info = echo_env_info(env);
+ struct md_attr *ma = &info->eti_ma;
+ struct lmv_mds_md_v1 *lmv;
+ struct lu_device *ld = ed->ed_next;
+ unsigned int idx;
+ struct lu_name tmp_ln_name;
+ struct lu_fid stripe_fid;
+ struct lu_object *stripe_obj;
+ int rc;
+
+ LASSERT(obj != NULL);
+ LASSERT(S_ISDIR(obj->lo_header->loh_attr));
+
+ memset(ma, 0, sizeof(*ma));
+ echo_set_lmm_size(env, ld, ma);
+ ma->ma_need = MA_LMV;
+ rc = echo_attr_get_complex(env, lu2md(obj), ma);
+ if (rc) {
+ CERROR("Can not getattr child "DFID": rc = %d\n",
+ PFID(lu_object_fid(obj)), rc);
+ return rc;
+ }
+
+ if (!(ma->ma_valid & MA_LMV)) {
+ *new_parent = obj;
+ return 0;
+ }
+
+ lmv = (struct lmv_mds_md_v1 *)ma->ma_lmm;
+ if (le32_to_cpu(lmv->lmv_magic) != LMV_MAGIC_V1) {
+ rc = -EINVAL;
+ CERROR("Invalid mds md magic %x "DFID": rc = %d\n",
+ le32_to_cpu(lmv->lmv_magic), PFID(lu_object_fid(obj)),
+ rc);
+ return rc;
+ }
+
+ if (name) {
+ tmp_ln_name.ln_name = name;
+ tmp_ln_name.ln_namelen = namelen;
+ } else {
+ LASSERT(id != -1);
+ echo_md_build_name(&tmp_ln_name, info->eti_name, id);
+ }
+
+ idx = lmv_name_to_stripe_index(LMV_HASH_TYPE_FNV_1A_64,
+ le32_to_cpu(lmv->lmv_stripe_count),
+ tmp_ln_name.ln_name, tmp_ln_name.ln_namelen);
+
+ LASSERT(idx < le32_to_cpu(lmv->lmv_stripe_count));
+ fid_le_to_cpu(&stripe_fid, &lmv->lmv_stripe_fids[idx]);
+
+ stripe_obj = lu_object_find_at(env, &ed->ed_cl.cd_lu_dev, &stripe_fid,
+ NULL);
+ if (IS_ERR(stripe_obj)) {
+ rc = PTR_ERR(stripe_obj);
+ CERROR("Can not find the parent "DFID": rc = %d\n",
+ PFID(&stripe_fid), rc);
+ return rc;
+ }
+
+ *new_parent = lu_object_locate(stripe_obj->lo_header, ld->ld_type);
+ if (!*new_parent) {
+ lu_object_put(env, stripe_obj);
+ RETURN(-ENXIO);
+ }
+
+ return rc;
+}
+
static int echo_create_md_object(const struct lu_env *env,
- struct echo_device *ed,
- struct lu_object *ec_parent,
- struct lu_fid *fid,
- char *name, int namelen,
- __u64 id, __u32 mode, int count,
- int stripe_count, int stripe_offset)
-{
- struct lu_object *parent;
- struct echo_thread_info *info = echo_env_info(env);
- struct lu_name *lname = &info->eti_lname;
- struct md_op_spec *spec = &info->eti_spec;
- struct md_attr *ma = &info->eti_ma;
- struct lu_device *ld = ed->ed_next;
- int rc = 0;
- int i;
+ struct echo_device *ed,
+ struct lu_object *ec_parent,
+ struct lu_fid *fid,
+ char *name, int namelen,
+ __u64 id, __u32 mode, int count,
+ int stripe_count, int stripe_offset)
+{
+ struct lu_object *parent;
+ struct lu_object *new_parent;
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_name *lname = &info->eti_lname;
+ struct md_op_spec *spec = &info->eti_spec;
+ struct md_attr *ma = &info->eti_ma;
+ struct lu_device *ld = ed->ed_next;
+ int rc = 0;
+ int i;
ENTRY;
- if (ec_parent == NULL)
+ if (!ec_parent)
return -1;
- parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (parent == NULL)
+ parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
+ if (!parent)
RETURN(-ENXIO);
- memset(ma, 0, sizeof(*ma));
- memset(spec, 0, sizeof(*spec));
- if (stripe_count != 0) {
- spec->sp_cr_flags |= FMODE_WRITE;
- echo_set_lmm_size(env, ld, ma);
- if (stripe_count != -1) {
- struct lov_user_md_v3 *lum = &info->eti_lum;
-
- lum->lmm_magic = LOV_USER_MAGIC_V3;
- lum->lmm_stripe_count = stripe_count;
- lum->lmm_stripe_offset = stripe_offset;
- lum->lmm_pattern = 0;
- spec->u.sp_ea.eadata = lum;
- spec->u.sp_ea.eadatalen = sizeof(*lum);
- spec->sp_cr_flags |= MDS_OPEN_HAS_EA;
- }
- }
-
- ma->ma_attr.la_mode = mode;
- ma->ma_attr.la_valid = LA_CTIME | LA_MODE;
- ma->ma_attr.la_ctime = cfs_time_current_64();
-
- if (name != NULL) {
- lname->ln_name = name;
- lname->ln_namelen = namelen;
- /* If name is specified, only create one object by name */
- rc = echo_md_create_internal(env, ed, lu2md(parent), fid, lname,
- spec, ma);
+ rc = echo_md_dir_stripe_choose(env, ed, parent, name, namelen,
+ id, &new_parent);
+ if (rc != 0)
RETURN(rc);
- }
- /* Create multiple object sequenced by id */
- for (i = 0; i < count; i++) {
- char *tmp_name = info->eti_name;
+ LASSERT(new_parent != NULL);
+ memset(ma, 0, sizeof(*ma));
+ memset(spec, 0, sizeof(*spec));
+ echo_set_lmm_size(env, ld, ma);
+ if (stripe_count != 0) {
+ spec->sp_cr_flags |= MDS_FMODE_WRITE;
+ if (stripe_count != -1) {
+ if (S_ISDIR(mode)) {
+ struct lmv_user_md *lmu;
+
+ lmu = (struct lmv_user_md *)&info->eti_lum;
+ lmu->lum_magic = LMV_USER_MAGIC;
+ lmu->lum_stripe_offset = stripe_offset;
+ lmu->lum_stripe_count = stripe_count;
+ lmu->lum_hash_type = LMV_HASH_TYPE_FNV_1A_64;
+ spec->u.sp_ea.eadata = lmu;
+ spec->u.sp_ea.eadatalen = sizeof(*lmu);
+ } else {
+ struct lov_user_md_v3 *lum = &info->eti_lum;
+
+ lum->lmm_magic = LOV_USER_MAGIC_V3;
+ lum->lmm_stripe_count = stripe_count;
+ lum->lmm_stripe_offset = stripe_offset;
+ lum->lmm_pattern = LOV_PATTERN_NONE;
+ spec->u.sp_ea.eadata = lum;
+ spec->u.sp_ea.eadatalen = sizeof(*lum);
+ }
+ spec->sp_cr_flags |= MDS_OPEN_HAS_EA;
+ }
+ }
+
+ ma->ma_attr.la_mode = mode;
+ ma->ma_attr.la_valid = LA_CTIME | LA_MODE;
+ ma->ma_attr.la_ctime = ktime_get_real_seconds();
+
+ if (name) {
+ lname->ln_name = name;
+ lname->ln_namelen = namelen;
+ /* If name is specified, only create one object by name */
+ rc = echo_md_create_internal(env, ed, lu2md(new_parent), fid,
+ lname, spec, ma);
+ GOTO(out_put, rc);
+ }
+
+ /* Create multiple object sequenced by id */
+ for (i = 0; i < count; i++) {
+ char *tmp_name = info->eti_name;
- echo_md_build_name(lname, tmp_name, id);
+ echo_md_build_name(lname, tmp_name, id);
+
+ rc = echo_md_create_internal(env, ed, lu2md(new_parent),
+ fid, lname, spec, ma);
+ if (rc) {
+ CERROR("Can not create child %s: rc = %d\n", tmp_name,
+ rc);
+ break;
+ }
+ id++;
+ fid->f_oid++;
+ }
- rc = echo_md_create_internal(env, ed, lu2md(parent), fid, lname,
- spec, ma);
- if (rc) {
- CERROR("Can not create child %s: rc = %d\n", tmp_name,
- rc);
- break;
- }
- id++;
- fid->f_oid++;
- }
+out_put:
+ if (new_parent != parent)
+ lu_object_put(env, new_parent);
RETURN(rc);
}
static struct lu_object *echo_md_lookup(const struct lu_env *env,
- struct echo_device *ed,
- struct md_object *parent,
- struct lu_name *lname)
-{
- struct echo_thread_info *info = echo_env_info(env);
- struct lu_fid *fid = &info->eti_fid;
- struct lu_object *child;
- int rc;
- ENTRY;
-
- CDEBUG(D_INFO, "lookup %s in parent "DFID" %p\n", lname->ln_name,
- PFID(fid), parent);
- rc = mdo_lookup(env, parent, lname, fid, NULL);
- if (rc) {
- CERROR("lookup %s: rc = %d\n", lname->ln_name, rc);
- RETURN(ERR_PTR(rc));
- }
-
- /* In the function below, .hs_keycmp resolves to
- * lu_obj_hop_keycmp() */
+ struct echo_device *ed,
+ struct md_object *parent,
+ struct lu_name *lname)
+{
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_fid *fid = &info->eti_fid;
+ struct lu_object *child;
+ int rc;
+
+ ENTRY;
+ CDEBUG(D_INFO, "lookup %s in parent "DFID" %p\n", lname->ln_name,
+ PFID(fid), parent);
+
+ rc = mdo_lookup(env, parent, lname, fid, NULL);
+ if (rc) {
+ CERROR("lookup %s: rc = %d\n", lname->ln_name, rc);
+ RETURN(ERR_PTR(rc));
+ }
+
+ /*
+ * In the function below, .hs_keycmp resolves to
+ * lu_obj_hop_keycmp()
+ */
/* coverity[overrun-buffer-val] */
- child = lu_object_find_at(env, &ed->ed_cl.cd_lu_dev, fid, NULL);
+ child = lu_object_find_at(env, &ed->ed_cl.cd_lu_dev, fid, NULL);
- RETURN(child);
+ RETURN(child);
}
static int echo_setattr_object(const struct lu_env *env,
- struct echo_device *ed,
- struct lu_object *ec_parent,
- __u64 id, int count)
-{
- struct lu_object *parent;
- struct echo_thread_info *info = echo_env_info(env);
- struct lu_name *lname = &info->eti_lname;
- char *name = info->eti_name;
- struct lu_device *ld = ed->ed_next;
- struct lu_buf *buf = &info->eti_buf;
- int rc = 0;
- int i;
+ struct echo_device *ed,
+ struct lu_object *ec_parent,
+ __u64 id, int count)
+{
+ struct lu_object *parent;
+ struct lu_object *new_parent;
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_name *lname = &info->eti_lname;
+ char *name = info->eti_name;
+ struct lu_device *ld = ed->ed_next;
+ struct lu_buf *buf = &info->eti_buf;
+ int rc = 0;
+ int i;
ENTRY;
- if (ec_parent == NULL)
+ if (!ec_parent)
return -1;
- parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (parent == NULL)
+ parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
+ if (!parent)
RETURN(-ENXIO);
- for (i = 0; i < count; i++) {
- struct lu_object *ec_child, *child;
+ rc = echo_md_dir_stripe_choose(env, ed, parent, NULL, 0, id,
+ &new_parent);
+ if (rc != 0)
+ RETURN(rc);
+
+ for (i = 0; i < count; i++) {
+ struct lu_object *ec_child, *child;
- echo_md_build_name(lname, name, id);
+ echo_md_build_name(lname, name, id);
- ec_child = echo_md_lookup(env, ed, lu2md(parent), lname);
- if (IS_ERR(ec_child)) {
- CERROR("Can't find child %s: rc = %ld\n",
- lname->ln_name, PTR_ERR(ec_child));
- RETURN(PTR_ERR(ec_child));
- }
+ ec_child = echo_md_lookup(env, ed, lu2md(new_parent), lname);
+ if (IS_ERR(ec_child)) {
+ rc = PTR_ERR(ec_child);
+ CERROR("Can't find child %s: rc = %d\n",
+ lname->ln_name, rc);
+ break;
+ }
- child = lu_object_locate(ec_child->lo_header, ld->ld_type);
- if (child == NULL) {
- CERROR("Can not locate the child %s\n", lname->ln_name);
- lu_object_put(env, ec_child);
- rc = -EINVAL;
- break;
- }
+ child = lu_object_locate(ec_child->lo_header, ld->ld_type);
+ if (!child) {
+ CERROR("Can not locate the child %s\n", lname->ln_name);
+ lu_object_put(env, ec_child);
+ rc = -EINVAL;
+ break;
+ }
- CDEBUG(D_RPCTRACE, "Start setattr object "DFID"\n",
- PFID(lu_object_fid(child)));
+ CDEBUG(D_RPCTRACE, "Start setattr object "DFID"\n",
+ PFID(lu_object_fid(child)));
buf->lb_buf = info->eti_xattr_buf;
buf->lb_len = sizeof(info->eti_xattr_buf);
- sprintf(name, "%s.test1", XATTR_USER_PREFIX);
- rc = mo_xattr_set(env, lu2md(child), buf, name,
- LU_XATTR_CREATE);
+ sprintf(name, "%s.test1", XATTR_USER_PREFIX);
+ rc = mo_xattr_set(env, lu2md(child), buf, name,
+ LU_XATTR_CREATE);
if (rc < 0) {
- CERROR("Can not setattr child "DFID": rc = %d\n",
- PFID(lu_object_fid(child)), rc);
- lu_object_put(env, ec_child);
- break;
- }
- CDEBUG(D_RPCTRACE, "End setattr object "DFID"\n",
- PFID(lu_object_fid(child)));
- id++;
- lu_object_put(env, ec_child);
- }
+ CERROR("Can not setattr child "DFID": rc = %d\n",
+ PFID(lu_object_fid(child)), rc);
+ lu_object_put(env, ec_child);
+ break;
+ }
+ CDEBUG(D_RPCTRACE, "End setattr object "DFID"\n",
+ PFID(lu_object_fid(child)));
+ id++;
+ lu_object_put(env, ec_child);
+ }
+
+ if (new_parent != parent)
+ lu_object_put(env, new_parent);
+
RETURN(rc);
}
static int echo_getattr_object(const struct lu_env *env,
- struct echo_device *ed,
- struct lu_object *ec_parent,
- __u64 id, int count)
-{
- struct lu_object *parent;
- struct echo_thread_info *info = echo_env_info(env);
- struct lu_name *lname = &info->eti_lname;
- char *name = info->eti_name;
- struct md_attr *ma = &info->eti_ma;
- struct lu_device *ld = ed->ed_next;
- int rc = 0;
- int i;
+ struct echo_device *ed,
+ struct lu_object *ec_parent,
+ __u64 id, int count)
+{
+ struct lu_object *parent;
+ struct lu_object *new_parent;
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_name *lname = &info->eti_lname;
+ char *name = info->eti_name;
+ struct md_attr *ma = &info->eti_ma;
+ struct lu_device *ld = ed->ed_next;
+ int rc = 0;
+ int i;
ENTRY;
- if (ec_parent == NULL)
+ if (!ec_parent)
return -1;
- parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (parent == NULL)
+ parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
+ if (!parent)
RETURN(-ENXIO);
- memset(ma, 0, sizeof(*ma));
- ma->ma_need |= MA_INODE | MA_LOV | MA_PFID | MA_HSM | MA_ACL_DEF;
- ma->ma_acl = info->eti_xattr_buf;
- ma->ma_acl_size = sizeof(info->eti_xattr_buf);
+ rc = echo_md_dir_stripe_choose(env, ed, parent, NULL, 0, id,
+ &new_parent);
+ if (rc != 0)
+ RETURN(rc);
- for (i = 0; i < count; i++) {
- struct lu_object *ec_child, *child;
+ memset(ma, 0, sizeof(*ma));
+ ma->ma_need |= MA_INODE | MA_LOV | MA_PFID | MA_HSM | MA_ACL_DEF;
+ ma->ma_acl = info->eti_xattr_buf;
+ ma->ma_acl_size = sizeof(info->eti_xattr_buf);
- ma->ma_valid = 0;
- echo_md_build_name(lname, name, id);
+ for (i = 0; i < count; i++) {
+ struct lu_object *ec_child, *child;
+
+ ma->ma_valid = 0;
+ echo_md_build_name(lname, name, id);
echo_set_lmm_size(env, ld, ma);
- ec_child = echo_md_lookup(env, ed, lu2md(parent), lname);
- if (IS_ERR(ec_child)) {
- CERROR("Can't find child %s: rc = %ld\n",
- lname->ln_name, PTR_ERR(ec_child));
- RETURN(PTR_ERR(ec_child));
- }
-
- child = lu_object_locate(ec_child->lo_header, ld->ld_type);
- if (child == NULL) {
- CERROR("Can not locate the child %s\n", lname->ln_name);
- lu_object_put(env, ec_child);
+ ec_child = echo_md_lookup(env, ed, lu2md(new_parent), lname);
+ if (IS_ERR(ec_child)) {
+ CERROR("Can't find child %s: rc = %ld\n",
+ lname->ln_name, PTR_ERR(ec_child));
+ RETURN(PTR_ERR(ec_child));
+ }
+
+ child = lu_object_locate(ec_child->lo_header, ld->ld_type);
+ if (!child) {
+ CERROR("Can not locate the child %s\n", lname->ln_name);
+ lu_object_put(env, ec_child);
RETURN(-EINVAL);
- }
+ }
- CDEBUG(D_RPCTRACE, "Start getattr object "DFID"\n",
- PFID(lu_object_fid(child)));
+ CDEBUG(D_RPCTRACE, "Start getattr object "DFID"\n",
+ PFID(lu_object_fid(child)));
rc = echo_attr_get_complex(env, lu2md(child), ma);
- if (rc) {
- CERROR("Can not getattr child "DFID": rc = %d\n",
- PFID(lu_object_fid(child)), rc);
- lu_object_put(env, ec_child);
- break;
- }
- CDEBUG(D_RPCTRACE, "End getattr object "DFID"\n",
- PFID(lu_object_fid(child)));
- id++;
- lu_object_put(env, ec_child);
- }
+ if (rc) {
+ CERROR("Can not getattr child "DFID": rc = %d\n",
+ PFID(lu_object_fid(child)), rc);
+ lu_object_put(env, ec_child);
+ break;
+ }
+ CDEBUG(D_RPCTRACE, "End getattr object "DFID"\n",
+ PFID(lu_object_fid(child)));
+ id++;
+ lu_object_put(env, ec_child);
+ }
+
+ if (new_parent != parent)
+ lu_object_put(env, new_parent);
RETURN(rc);
}
static int echo_lookup_object(const struct lu_env *env,
- struct echo_device *ed,
- struct lu_object *ec_parent,
- __u64 id, int count)
-{
- struct lu_object *parent;
- struct echo_thread_info *info = echo_env_info(env);
- struct lu_name *lname = &info->eti_lname;
- char *name = info->eti_name;
- struct lu_fid *fid = &info->eti_fid;
- struct lu_device *ld = ed->ed_next;
- int rc = 0;
- int i;
-
- if (ec_parent == NULL)
+ struct echo_device *ed,
+ struct lu_object *ec_parent,
+ __u64 id, int count)
+{
+ struct lu_object *parent;
+ struct lu_object *new_parent;
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_name *lname = &info->eti_lname;
+ char *name = info->eti_name;
+ struct lu_fid *fid = &info->eti_fid;
+ struct lu_device *ld = ed->ed_next;
+ int rc = 0;
+ int i;
+
+ if (!ec_parent)
return -1;
- parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (parent == NULL)
+ parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
+ if (!parent)
return -ENXIO;
- /*prepare the requests*/
- for (i = 0; i < count; i++) {
- echo_md_build_name(lname, name, id);
+ rc = echo_md_dir_stripe_choose(env, ed, parent, NULL, 0, id,
+ &new_parent);
+ if (rc != 0)
+ RETURN(rc);
+
+ /*prepare the requests*/
+ for (i = 0; i < count; i++) {
+ echo_md_build_name(lname, name, id);
- CDEBUG(D_RPCTRACE, "Start lookup object "DFID" %s %p\n",
- PFID(lu_object_fid(parent)), lname->ln_name, parent);
+ CDEBUG(D_RPCTRACE, "Start lookup object "DFID" %s %p\n",
+ PFID(lu_object_fid(new_parent)), lname->ln_name,
+ new_parent);
+
+ rc = mdo_lookup(env, lu2md(new_parent), lname, fid, NULL);
+ if (rc) {
+ CERROR("Can not lookup child %s: rc = %d\n", name, rc);
+ break;
+ }
- rc = mdo_lookup(env, lu2md(parent), lname, fid, NULL);
- if (rc) {
- CERROR("Can not lookup child %s: rc = %d\n", name, rc);
- break;
- }
- CDEBUG(D_RPCTRACE, "End lookup object "DFID" %s %p\n",
- PFID(lu_object_fid(parent)), lname->ln_name, parent);
+ CDEBUG(D_RPCTRACE, "End lookup object "DFID" %s %p\n",
+ PFID(lu_object_fid(new_parent)), lname->ln_name,
+ new_parent);
- id++;
- }
- return rc;
+ id++;
+ }
+
+ if (new_parent != parent)
+ lu_object_put(env, new_parent);
+
+ return rc;
}
static int echo_md_destroy_internal(const struct lu_env *env,
- struct echo_device *ed,
- struct md_object *parent,
- struct lu_name *lname,
- struct md_attr *ma)
+ struct echo_device *ed,
+ struct md_object *parent,
+ struct lu_name *lname,
+ struct md_attr *ma)
{
- struct lu_device *ld = ed->ed_next;
- struct lu_object *ec_child;
- struct lu_object *child;
- int rc;
+ struct lu_device *ld = ed->ed_next;
+ struct lu_object *ec_child;
+ struct lu_object *child;
+ int rc;
ENTRY;
- ec_child = echo_md_lookup(env, ed, parent, lname);
- if (IS_ERR(ec_child)) {
- CERROR("Can't find child %s: rc = %ld\n", lname->ln_name,
- PTR_ERR(ec_child));
- RETURN(PTR_ERR(ec_child));
- }
+ ec_child = echo_md_lookup(env, ed, parent, lname);
+ if (IS_ERR(ec_child)) {
+ CERROR("Can't find child %s: rc = %ld\n", lname->ln_name,
+ PTR_ERR(ec_child));
+ RETURN(PTR_ERR(ec_child));
+ }
- child = lu_object_locate(ec_child->lo_header, ld->ld_type);
- if (child == NULL) {
- CERROR("Can not locate the child %s\n", lname->ln_name);
- GOTO(out_put, rc = -EINVAL);
- }
+ child = lu_object_locate(ec_child->lo_header, ld->ld_type);
+ if (!child) {
+ CERROR("Can not locate the child %s\n", lname->ln_name);
+ GOTO(out_put, rc = -EINVAL);
+ }
if (lu_object_remote(child)) {
CERROR("Can not destroy remote object %s: rc = %d\n",
lname->ln_name, -EPERM);
GOTO(out_put, rc = -EPERM);
}
- CDEBUG(D_RPCTRACE, "Start destroy object "DFID" %s %p\n",
- PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent);
+ CDEBUG(D_RPCTRACE, "Start destroy object "DFID" %s %p\n",
+ PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent);
rc = mdo_unlink(env, parent, lu2md(child), lname, ma, 0);
if (rc) {
lname->ln_name, rc);
GOTO(out_put, rc);
}
- CDEBUG(D_RPCTRACE, "End destroy object "DFID" %s %p\n",
- PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent);
+ CDEBUG(D_RPCTRACE, "End destroy object "DFID" %s %p\n",
+ PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent);
out_put:
- lu_object_put(env, ec_child);
- return rc;
+ lu_object_put(env, ec_child);
+ return rc;
}
static int echo_destroy_object(const struct lu_env *env,
- struct echo_device *ed,
- struct lu_object *ec_parent,
- char *name, int namelen,
- __u64 id, __u32 mode,
- int count)
-{
- struct echo_thread_info *info = echo_env_info(env);
- struct lu_name *lname = &info->eti_lname;
- struct md_attr *ma = &info->eti_ma;
- struct lu_device *ld = ed->ed_next;
- struct lu_object *parent;
- int rc = 0;
- int i;
- ENTRY;
-
- parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (parent == NULL)
- RETURN(-EINVAL);
-
- memset(ma, 0, sizeof(*ma));
- ma->ma_attr.la_mode = mode;
- ma->ma_attr.la_valid = LA_CTIME;
- ma->ma_attr.la_ctime = cfs_time_current_64();
- ma->ma_need = MA_INODE;
- ma->ma_valid = 0;
-
- if (name != NULL) {
- lname->ln_name = name;
- lname->ln_namelen = namelen;
- rc = echo_md_destroy_internal(env, ed, lu2md(parent), lname,
- ma);
+ struct echo_device *ed,
+ struct lu_object *ec_parent,
+ char *name, int namelen,
+ __u64 id, __u32 mode,
+ int count)
+{
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_name *lname = &info->eti_lname;
+ struct md_attr *ma = &info->eti_ma;
+ struct lu_device *ld = ed->ed_next;
+ struct lu_object *parent;
+ struct lu_object *new_parent;
+ int rc = 0;
+ int i;
+
+ ENTRY;
+ parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
+ if (!parent)
+ RETURN(-EINVAL);
+
+ rc = echo_md_dir_stripe_choose(env, ed, parent, name, namelen,
+ id, &new_parent);
+ if (rc != 0)
RETURN(rc);
- }
- /*prepare the requests*/
- for (i = 0; i < count; i++) {
- char *tmp_name = info->eti_name;
+ memset(ma, 0, sizeof(*ma));
+ ma->ma_attr.la_mode = mode;
+ ma->ma_attr.la_valid = LA_CTIME;
+ ma->ma_attr.la_ctime = ktime_get_real_seconds();
+ ma->ma_need = MA_INODE;
+ ma->ma_valid = 0;
- ma->ma_valid = 0;
- echo_md_build_name(lname, tmp_name, id);
+ if (name) {
+ lname->ln_name = name;
+ lname->ln_namelen = namelen;
+ rc = echo_md_destroy_internal(env, ed, lu2md(new_parent), lname,
+ ma);
+ GOTO(out_put, rc);
+ }
+
+ /*prepare the requests*/
+ for (i = 0; i < count; i++) {
+ char *tmp_name = info->eti_name;
+
+ ma->ma_valid = 0;
+ echo_md_build_name(lname, tmp_name, id);
- rc = echo_md_destroy_internal(env, ed, lu2md(parent), lname,
- ma);
- if (rc) {
- CERROR("Can not unlink child %s: rc = %d\n", name, rc);
- break;
- }
- id++;
- }
+ rc = echo_md_destroy_internal(env, ed, lu2md(new_parent), lname,
+ ma);
+ if (rc) {
+ CERROR("Can not unlink child %s: rc = %d\n", name, rc);
+ break;
+ }
+ id++;
+ }
+
+out_put:
+ if (new_parent != parent)
+ lu_object_put(env, new_parent);
RETURN(rc);
}
static struct lu_object *echo_resolve_path(const struct lu_env *env,
- struct echo_device *ed, char *path,
- int path_len)
+ struct echo_device *ed, char *path,
+ int path_len)
{
struct lu_device *ld = ed->ed_next;
struct echo_thread_info *info = echo_env_info(env);
struct lu_object *parent = NULL;
struct lu_object *child = NULL;
int rc = 0;
- ENTRY;
+ ENTRY;
*fid = ed->ed_root_fid;
- /* In the function below, .hs_keycmp resolves to
- * lu_obj_hop_keycmp() */
+ /*
+ * In the function below, .hs_keycmp resolves to
+ * lu_obj_hop_keycmp()
+ */
/* coverity[overrun-buffer-val] */
- parent = lu_object_find_at(env, &ed->ed_cl.cd_lu_dev, fid, NULL);
- if (IS_ERR(parent)) {
- CERROR("Can not find the parent "DFID": rc = %ld\n",
- PFID(fid), PTR_ERR(parent));
- RETURN(parent);
- }
-
- while (1) {
- struct lu_object *ld_parent;
- char *e;
-
- e = strsep(&path, "/");
- if (e == NULL)
- break;
-
- if (e[0] == 0) {
- if (!path || path[0] == '\0')
- break;
- continue;
- }
-
- lname->ln_name = e;
- lname->ln_namelen = strlen(e);
-
- ld_parent = lu_object_locate(parent->lo_header, ld->ld_type);
- if (ld_parent == NULL) {
- lu_object_put(env, parent);
- rc = -EINVAL;
- break;
- }
-
- child = echo_md_lookup(env, ed, lu2md(ld_parent), lname);
- lu_object_put(env, parent);
- if (IS_ERR(child)) {
- rc = (int)PTR_ERR(child);
- CERROR("lookup %s under parent "DFID": rc = %d\n",
- lname->ln_name, PFID(lu_object_fid(ld_parent)),
- rc);
- break;
- }
- parent = child;
- }
- if (rc)
- RETURN(ERR_PTR(rc));
-
- RETURN(parent);
+ parent = lu_object_find_at(env, &ed->ed_cl.cd_lu_dev, fid, NULL);
+ if (IS_ERR(parent)) {
+ CERROR("Can not find the parent "DFID": rc = %ld\n",
+ PFID(fid), PTR_ERR(parent));
+ RETURN(parent);
+ }
+
+ while (1) {
+ struct lu_object *ld_parent;
+ char *e;
+
+ e = strsep(&path, "/");
+ if (!e)
+ break;
+
+ if (e[0] == 0) {
+ if (!path || path[0] == '\0')
+ break;
+ continue;
+ }
+
+ lname->ln_name = e;
+ lname->ln_namelen = strlen(e);
+
+ ld_parent = lu_object_locate(parent->lo_header, ld->ld_type);
+ if (!ld_parent) {
+ lu_object_put(env, parent);
+ rc = -EINVAL;
+ break;
+ }
+
+ child = echo_md_lookup(env, ed, lu2md(ld_parent), lname);
+ lu_object_put(env, parent);
+ if (IS_ERR(child)) {
+ rc = (int)PTR_ERR(child);
+ CERROR("lookup %s under parent "DFID": rc = %d\n",
+ lname->ln_name, PFID(lu_object_fid(ld_parent)),
+ rc);
+ break;
+ }
+ parent = child;
+ }
+ if (rc)
+ RETURN(ERR_PTR(rc));
+
+ RETURN(parent);
}
static void echo_ucred_init(struct lu_env *env)
static void echo_ucred_fini(struct lu_env *env)
{
struct lu_ucred *ucred = lu_ucred(env);
+
ucred->uc_valid = UCRED_INIT;
}
-#define ECHO_MD_CTX_TAG (LCT_REMEMBER | LCT_MD_THREAD)
-#define ECHO_MD_SES_TAG (LCT_REMEMBER | LCT_SESSION | LCT_SERVER_SESSION)
static int echo_md_handler(struct echo_device *ed, int command,
char *path, int path_len, __u64 id, int count,
struct obd_ioctl_data *data)
{
struct echo_thread_info *info;
- struct lu_device *ld = ed->ed_next;
- struct lu_env *env;
- int refcheck;
- struct lu_object *parent;
- char *name = NULL;
- int namelen = data->ioc_plen2;
- int rc = 0;
- ENTRY;
-
- if (ld == NULL) {
- CERROR("MD echo client is not being initialized properly\n");
- RETURN(-EINVAL);
- }
-
- if (strcmp(ld->ld_type->ldt_name, LUSTRE_MDD_NAME)) {
- CERROR("Only support MDD layer right now!\n");
- RETURN(-EINVAL);
- }
-
- env = cl_env_get(&refcheck);
- if (IS_ERR(env))
- RETURN(PTR_ERR(env));
-
- rc = lu_env_refill_by_tags(env, ECHO_MD_CTX_TAG, ECHO_MD_SES_TAG);
+ struct lu_device *ld = ed->ed_next;
+ struct lu_env *env;
+ __u16 refcheck;
+ struct lu_object *parent;
+ char *name = NULL;
+ int namelen = data->ioc_plen2;
+ int rc = 0;
+
+ ENTRY;
+ if (!ld) {
+ CERROR("MD echo client is not being initialized properly\n");
+ RETURN(-EINVAL);
+ }
+
+ if (strcmp(ld->ld_type->ldt_name, LUSTRE_MDD_NAME)) {
+ CERROR("Only support MDD layer right now!\n");
+ RETURN(-EINVAL);
+ }
+
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
+
+ rc = lu_env_refill_by_tags(env, ECHO_MD_CTX_TAG, ECHO_SES_TAG);
if (rc != 0)
GOTO(out_env, rc);
info = echo_env_info(env);
LASSERT(info->eti_big_lmm == NULL);
OBD_ALLOC_LARGE(info->eti_big_lmm, MIN_MD_SIZE);
- if (info->eti_big_lmm == NULL)
+ if (!info->eti_big_lmm)
GOTO(out_env, rc = -ENOMEM);
info->eti_big_lmmsize = MIN_MD_SIZE;
- parent = echo_resolve_path(env, ed, path, path_len);
- if (IS_ERR(parent)) {
- CERROR("Can not resolve the path %s: rc = %ld\n", path,
- PTR_ERR(parent));
+ parent = echo_resolve_path(env, ed, path, path_len);
+ if (IS_ERR(parent)) {
+ CERROR("Can not resolve the path %s: rc = %ld\n", path,
+ PTR_ERR(parent));
GOTO(out_free, rc = PTR_ERR(parent));
- }
+ }
- if (namelen > 0) {
- OBD_ALLOC(name, namelen + 1);
- if (name == NULL)
+ if (namelen > 0) {
+ OBD_ALLOC(name, namelen + 1);
+ if (!name)
GOTO(out_put, rc = -ENOMEM);
if (copy_from_user(name, data->ioc_pbuf2, namelen))
GOTO(out_name, rc = -EFAULT);
- }
+ }
echo_ucred_init(env);
- switch (command) {
- case ECHO_MD_CREATE:
- case ECHO_MD_MKDIR: {
- struct echo_thread_info *info = echo_env_info(env);
- __u32 mode = data->ioc_obdo2.o_mode;
- struct lu_fid *fid = &info->eti_fid;
- int stripe_count = (int)data->ioc_obdo2.o_misc;
- int stripe_index = (int)data->ioc_obdo2.o_stripe_idx;
+ switch (command) {
+ case ECHO_MD_CREATE:
+ case ECHO_MD_MKDIR: {
+ struct echo_thread_info *info = echo_env_info(env);
+ __u32 mode = data->ioc_obdo2.o_mode;
+ struct lu_fid *fid = &info->eti_fid;
+ int stripe_count = (int)data->ioc_obdo2.o_misc;
+ int stripe_index = (int)data->ioc_obdo2.o_stripe_idx;
rc = ostid_to_fid(fid, &data->ioc_obdo1.o_oi, 0);
if (rc != 0)
break;
- /* In the function below, .hs_keycmp resolves to
- * lu_obj_hop_keycmp() */
+ /*
+ * In the function below, .hs_keycmp resolves to
+ * lu_obj_hop_keycmp()
+ */
/* coverity[overrun-buffer-val] */
- rc = echo_create_md_object(env, ed, parent, fid, name, namelen,
- id, mode, count, stripe_count,
- stripe_index);
- break;
- }
- case ECHO_MD_DESTROY:
- case ECHO_MD_RMDIR: {
- __u32 mode = data->ioc_obdo2.o_mode;
-
- rc = echo_destroy_object(env, ed, parent, name, namelen,
- id, mode, count);
- break;
- }
- case ECHO_MD_LOOKUP:
- rc = echo_lookup_object(env, ed, parent, id, count);
- break;
- case ECHO_MD_GETATTR:
- rc = echo_getattr_object(env, ed, parent, id, count);
- break;
- case ECHO_MD_SETATTR:
- rc = echo_setattr_object(env, ed, parent, id, count);
- break;
- default:
- CERROR("unknown command %d\n", command);
- rc = -EINVAL;
- break;
- }
+ rc = echo_create_md_object(env, ed, parent, fid, name, namelen,
+ id, mode, count, stripe_count,
+ stripe_index);
+ break;
+ }
+ case ECHO_MD_DESTROY:
+ case ECHO_MD_RMDIR: {
+ __u32 mode = data->ioc_obdo2.o_mode;
+
+ rc = echo_destroy_object(env, ed, parent, name, namelen,
+ id, mode, count);
+ break;
+ }
+ case ECHO_MD_LOOKUP:
+ rc = echo_lookup_object(env, ed, parent, id, count);
+ break;
+ case ECHO_MD_GETATTR:
+ rc = echo_getattr_object(env, ed, parent, id, count);
+ break;
+ case ECHO_MD_SETATTR:
+ rc = echo_setattr_object(env, ed, parent, id, count);
+ break;
+ default:
+ CERROR("unknown command %d\n", command);
+ rc = -EINVAL;
+ break;
+ }
echo_ucred_fini(env);
out_name:
- if (name != NULL)
- OBD_FREE(name, namelen + 1);
+ if (name)
+ OBD_FREE(name, namelen + 1);
out_put:
- lu_object_put(env, parent);
+ lu_object_put(env, parent);
out_free:
LASSERT(info->eti_big_lmm);
OBD_FREE_LARGE(info->eti_big_lmm, info->eti_big_lmmsize);
info->eti_big_lmm = NULL;
info->eti_big_lmmsize = 0;
out_env:
- cl_env_put(env, &refcheck);
- return rc;
+ cl_env_put(env, &refcheck);
+ return rc;
}
#endif /* HAVE_SERVER_SUPPORT */
struct echo_client_obd *ec = ed->ed_ec;
int created = 0;
int rc;
- ENTRY;
+ ENTRY;
if (!(oa->o_valid & OBD_MD_FLID) ||
!(oa->o_valid & OBD_MD_FLGROUP) ||
!fid_seq_is_echo(ostid_seq(&oa->o_oi))) {
RETURN(-EINVAL);
}
- if (ostid_id(&oa->o_oi) == 0)
- ostid_set_id(&oa->o_oi, ++last_object_id);
+ if (ostid_id(&oa->o_oi) == 0) {
+ rc = ostid_set_id(&oa->o_oi, ++last_object_id);
+ if (rc)
+ GOTO(failed, rc);
+ }
rc = obd_create(env, ec->ec_exp, oa);
if (rc != 0) {
oa->o_valid |= OBD_MD_FLID;
eco = cl_echo_object_find(ed, &oa->o_oi);
- if (IS_ERR(eco))
- GOTO(failed, rc = PTR_ERR(eco));
- cl_echo_object_put(eco);
+ if (IS_ERR(eco))
+ GOTO(failed, rc = PTR_ERR(eco));
+ cl_echo_object_put(eco);
- CDEBUG(D_INFO, "oa oid "DOSTID"\n", POSTID(&oa->o_oi));
- EXIT;
+ CDEBUG(D_INFO, "oa oid "DOSTID"\n", POSTID(&oa->o_oi));
+ EXIT;
failed:
if (created && rc != 0)
{
struct echo_object *eco;
int rc;
- ENTRY;
+ ENTRY;
if (!(oa->o_valid & OBD_MD_FLID) ||
!(oa->o_valid & OBD_MD_FLGROUP) ||
ostid_id(&oa->o_oi) == 0) {
static void echo_client_page_debug_setup(struct page *page, int rw, u64 id,
u64 offset, u64 count)
{
- char *addr;
- u64 stripe_off;
- u64 stripe_id;
- int delta;
+ char *addr;
+ u64 stripe_off;
+ u64 stripe_id;
+ int delta;
- /* no partial pages on the client */
- LASSERT(count == PAGE_CACHE_SIZE);
+ /* no partial pages on the client */
+ LASSERT(count == PAGE_SIZE);
addr = kmap(page);
- for (delta = 0; delta < PAGE_CACHE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
- if (rw == OBD_BRW_WRITE) {
- stripe_off = offset + delta;
- stripe_id = id;
- } else {
- stripe_off = 0xdeadbeef00c0ffeeULL;
- stripe_id = 0xdeadbeef00c0ffeeULL;
- }
- block_debug_setup(addr + delta, OBD_ECHO_BLOCK_SIZE,
- stripe_off, stripe_id);
- }
+ for (delta = 0; delta < PAGE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
+ if (rw == OBD_BRW_WRITE) {
+ stripe_off = offset + delta;
+ stripe_id = id;
+ } else {
+ stripe_off = 0xdeadbeef00c0ffeeULL;
+ stripe_id = 0xdeadbeef00c0ffeeULL;
+ }
+ block_debug_setup(addr + delta, OBD_ECHO_BLOCK_SIZE,
+ stripe_off, stripe_id);
+ }
kunmap(page);
}
static int
echo_client_page_debug_check(struct page *page, u64 id, u64 offset, u64 count)
{
- u64 stripe_off;
- u64 stripe_id;
- char *addr;
- int delta;
- int rc;
- int rc2;
+ u64 stripe_off;
+ u64 stripe_id;
+ char *addr;
+ int delta;
+ int rc;
+ int rc2;
- /* no partial pages on the client */
- LASSERT(count == PAGE_CACHE_SIZE);
+ /* no partial pages on the client */
+ LASSERT(count == PAGE_SIZE);
addr = kmap(page);
- for (rc = delta = 0; delta < PAGE_CACHE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
- stripe_off = offset + delta;
- stripe_id = id;
+ for (rc = delta = 0; delta < PAGE_SIZE; delta += OBD_ECHO_BLOCK_SIZE) {
+ stripe_off = offset + delta;
+ stripe_id = id;
- rc2 = block_debug_check("test_brw",
- addr + delta, OBD_ECHO_BLOCK_SIZE,
- stripe_off, stripe_id);
- if (rc2 != 0) {
- CERROR ("Error in echo object "LPX64"\n", id);
- rc = rc2;
- }
- }
+ rc2 = block_debug_check("test_brw",
+ addr + delta, OBD_ECHO_BLOCK_SIZE,
+ stripe_off, stripe_id);
+ if (rc2 != 0) {
+ CERROR("Error in echo object %#llx\n", id);
+ rc = rc2;
+ }
+ }
kunmap(page);
- return rc;
+ return rc;
}
static int echo_client_kbrw(struct echo_device *ed, int rw, struct obdo *oa,
struct echo_object *eco, u64 offset,
u64 count, int async)
{
- size_t npages;
- struct brw_page *pga;
- struct brw_page *pgp;
- struct page **pages;
- u64 off;
- size_t i;
- int rc;
- int verify;
- gfp_t gfp_mask;
- u32 brw_flags = 0;
- ENTRY;
+ size_t npages;
+ struct brw_page *pga;
+ struct brw_page *pgp;
+ struct page **pages;
+ u64 off;
+ size_t i;
+ int rc;
+ int verify;
+ gfp_t gfp_mask;
+ u32 brw_flags = 0;
- verify = (ostid_id(&oa->o_oi) != ECHO_PERSISTENT_OBJID &&
- (oa->o_valid & OBD_MD_FLFLAGS) != 0 &&
- (oa->o_flags & OBD_FL_DEBUG_CHECK) != 0);
+ ENTRY;
+ verify = (ostid_id(&oa->o_oi) != ECHO_PERSISTENT_OBJID &&
+ (oa->o_valid & OBD_MD_FLFLAGS) != 0 &&
+ (oa->o_flags & OBD_FL_DEBUG_CHECK) != 0);
- gfp_mask = ((ostid_id(&oa->o_oi) & 2) == 0) ? GFP_IOFS : GFP_HIGHUSER;
+ gfp_mask = ((ostid_id(&oa->o_oi) & 2) == 0) ? GFP_KERNEL : GFP_HIGHUSER;
LASSERT(rw == OBD_BRW_WRITE || rw == OBD_BRW_READ);
if ((count & (~PAGE_MASK)) != 0)
RETURN(-EINVAL);
- /* XXX think again with misaligned I/O */
- npages = count >> PAGE_CACHE_SHIFT;
+ /* XXX think again with misaligned I/O */
+ npages = count >> PAGE_SHIFT;
- if (rw == OBD_BRW_WRITE)
- brw_flags = OBD_BRW_ASYNC;
+ if (rw == OBD_BRW_WRITE)
+ brw_flags = OBD_BRW_ASYNC;
- OBD_ALLOC(pga, npages * sizeof(*pga));
- if (pga == NULL)
- RETURN(-ENOMEM);
+ OBD_ALLOC(pga, npages * sizeof(*pga));
+ if (!pga)
+ RETURN(-ENOMEM);
- OBD_ALLOC(pages, npages * sizeof(*pages));
- if (pages == NULL) {
- OBD_FREE(pga, npages * sizeof(*pga));
- RETURN(-ENOMEM);
- }
+ OBD_ALLOC(pages, npages * sizeof(*pages));
+ if (!pages) {
+ OBD_FREE(pga, npages * sizeof(*pga));
+ RETURN(-ENOMEM);
+ }
for (i = 0, pgp = pga, off = offset;
i < npages;
- i++, pgp++, off += PAGE_CACHE_SIZE) {
+ i++, pgp++, off += PAGE_SIZE) {
LASSERT(pgp->pg == NULL); /* for cleanup */
rc = -ENOMEM;
pgp->pg = alloc_page(gfp_mask);
- if (pgp->pg == NULL)
+ if (!pgp->pg)
goto out;
pages[i] = pgp->pg;
- pgp->count = PAGE_CACHE_SIZE;
+ pgp->count = PAGE_SIZE;
pgp->off = off;
pgp->flag = brw_flags;
pgp->count);
}
- /* brw mode can only be used at client */
- LASSERT(ed->ed_next != NULL);
- rc = cl_echo_object_brw(eco, rw, offset, pages, npages, async);
+ /* brw mode can only be used at client */
+ LASSERT(ed->ed_next != NULL);
+ rc = cl_echo_object_brw(eco, rw, offset, pages, npages, async);
out:
- if (rc != 0 || rw != OBD_BRW_READ)
- verify = 0;
+ if (rc != 0 || rw != OBD_BRW_READ)
+ verify = 0;
- for (i = 0, pgp = pga; i < npages; i++, pgp++) {
- if (pgp->pg == NULL)
- continue;
+ for (i = 0, pgp = pga; i < npages; i++, pgp++) {
+ if (!pgp->pg)
+ continue;
if (verify) {
int vrc;
+
vrc = echo_client_page_debug_check(pgp->pg,
ostid_id(&oa->o_oi),
- pgp->off, pgp->count);
+ pgp->off,
+ pgp->count);
if (vrc != 0 && rc == 0)
rc = vrc;
}
__free_page(pgp->pg);
- }
- OBD_FREE(pga, npages * sizeof(*pga));
- OBD_FREE(pages, npages * sizeof(*pages));
- RETURN(rc);
+ }
+ OBD_FREE(pga, npages * sizeof(*pga));
+ OBD_FREE(pages, npages * sizeof(*pages));
+ RETURN(rc);
}
static int echo_client_prep_commit(const struct lu_env *env,
u64 offset, u64 count,
u64 batch, int async)
{
- struct obd_ioobj ioo;
- struct niobuf_local *lnb;
- struct niobuf_remote rnb;
- u64 off;
- u64 npages, tot_pages;
+ struct obd_ioobj ioo;
+ struct niobuf_local *lnb;
+ struct niobuf_remote rnb;
+ u64 off;
+ u64 npages, tot_pages, apc;
int i, ret = 0, brw_flags = 0;
- ENTRY;
-
- if (count <= 0 || (count & ~PAGE_CACHE_MASK) != 0)
+ ENTRY;
+ if (count <= 0 || (count & ~PAGE_MASK) != 0)
RETURN(-EINVAL);
- npages = batch >> PAGE_CACHE_SHIFT;
- tot_pages = count >> PAGE_CACHE_SHIFT;
+ apc = npages = batch >> PAGE_SHIFT;
+ tot_pages = count >> PAGE_SHIFT;
- OBD_ALLOC(lnb, npages * sizeof(struct niobuf_local));
- if (lnb == NULL)
- GOTO(out, ret = -ENOMEM);
+ OBD_ALLOC_LARGE(lnb, apc * sizeof(struct niobuf_local));
+ if (!lnb)
+ RETURN(-ENOMEM);
if (rw == OBD_BRW_WRITE && async)
brw_flags |= OBD_BRW_ASYNC;
npages = tot_pages;
rnb.rnb_offset = off;
- rnb.rnb_len = npages * PAGE_CACHE_SIZE;
+ rnb.rnb_len = npages * PAGE_SIZE;
rnb.rnb_flags = brw_flags;
ioo.ioo_bufcnt = 1;
- off += npages * PAGE_CACHE_SIZE;
+ off += npages * PAGE_SIZE;
- lpages = npages;
+ lpages = npages;
ret = obd_preprw(env, rw, exp, oa, 1, &ioo, &rnb, &lpages, lnb);
- if (ret != 0)
- GOTO(out, ret);
+ if (ret != 0)
+ GOTO(out, ret);
for (i = 0; i < lpages; i++) {
struct page *page = lnb[i].lnb_page;
/* read past eof? */
- if (page == NULL && lnb[i].lnb_rc == 0)
+ if (!page && lnb[i].lnb_rc == 0)
continue;
if (async)
ret = obd_commitrw(env, rw, exp, oa, 1, &ioo, &rnb, npages, lnb,
ret);
- if (ret != 0)
- GOTO(out, ret);
+ if (ret != 0)
+ break;
/* Reuse env context. */
lu_context_exit((struct lu_context *)&env->le_ctx);
}
out:
- if (lnb)
- OBD_FREE(lnb, npages * sizeof(struct niobuf_local));
+ OBD_FREE_LARGE(lnb, apc * sizeof(struct niobuf_local));
+
RETURN(ret);
}
struct obd_export *exp,
struct obd_ioctl_data *data)
{
- struct obd_device *obd = class_exp2obd(exp);
- struct echo_device *ed = obd2echo_dev(obd);
- struct echo_client_obd *ec = ed->ed_ec;
- struct obdo *oa = &data->ioc_obdo1;
- struct echo_object *eco;
- int rc;
- int async = 0;
- long test_mode;
- ENTRY;
+ struct obd_device *obd = class_exp2obd(exp);
+ struct echo_device *ed = obd2echo_dev(obd);
+ struct echo_client_obd *ec = ed->ed_ec;
+ struct obdo *oa = &data->ioc_obdo1;
+ struct echo_object *eco;
+ int rc;
+ int async = 0;
+ long test_mode;
- LASSERT(oa->o_valid & OBD_MD_FLGROUP);
+ ENTRY;
+ LASSERT(oa->o_valid & OBD_MD_FLGROUP);
- rc = echo_get_object(&eco, ed, oa);
- if (rc)
- RETURN(rc);
+ rc = echo_get_object(&eco, ed, oa);
+ if (rc)
+ RETURN(rc);
- oa->o_valid &= ~OBD_MD_FLHANDLE;
+ oa->o_valid &= ~OBD_MD_FLHANDLE;
/* OFD/obdfilter works only via prep/commit */
- test_mode = (long)data->ioc_pbuf1;
- if (ed->ed_next == NULL && test_mode != 3) {
- test_mode = 3;
- data->ioc_plen1 = data->ioc_count;
- }
+ test_mode = (long)data->ioc_pbuf1;
+ if (!ed->ed_next && test_mode != 3) {
+ test_mode = 3;
+ data->ioc_plen1 = data->ioc_count;
+ }
if (test_mode == 3)
async = 1;
- /* Truncate batch size to maximum */
- if (data->ioc_plen1 > PTLRPC_MAX_BRW_SIZE)
- data->ioc_plen1 = PTLRPC_MAX_BRW_SIZE;
+ /* Truncate batch size to maximum */
+ if (data->ioc_plen1 > PTLRPC_MAX_BRW_SIZE)
+ data->ioc_plen1 = PTLRPC_MAX_BRW_SIZE;
- switch (test_mode) {
- case 1:
- /* fall through */
- case 2:
+ switch (test_mode) {
+ case 1:
+ /* fall through */
+ case 2:
rc = echo_client_kbrw(ed, rw, oa, eco, data->ioc_offset,
data->ioc_count, async);
break;
static int
echo_client_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
- void *karg, void *uarg)
+ void *karg, void __user *uarg)
{
#ifdef HAVE_SERVER_SUPPORT
struct tgt_session_info *tsi;
#endif
- struct obd_device *obd = exp->exp_obd;
- struct echo_device *ed = obd2echo_dev(obd);
- struct echo_client_obd *ec = ed->ed_ec;
- struct echo_object *eco;
- struct obd_ioctl_data *data = karg;
- struct lu_env *env;
- struct obdo *oa;
- struct lu_fid fid;
- int rw = OBD_BRW_READ;
- int rc = 0;
-#ifdef HAVE_SERVER_SUPPORT
- struct lu_context echo_session;
-#endif
- ENTRY;
+ struct obd_device *obd = exp->exp_obd;
+ struct echo_device *ed = obd2echo_dev(obd);
+ struct echo_client_obd *ec = ed->ed_ec;
+ struct echo_object *eco;
+ struct obd_ioctl_data *data = karg;
+ struct lu_env *env;
+ unsigned long env_tags = 0;
+ __u16 refcheck;
+ struct obdo *oa;
+ struct lu_fid fid;
+ int rw = OBD_BRW_READ;
+ int rc = 0;
+ ENTRY;
oa = &data->ioc_obdo1;
if (!(oa->o_valid & OBD_MD_FLGROUP)) {
oa->o_valid |= OBD_MD_FLGROUP;
ostid_set_seq_echo(&oa->o_oi);
}
- /* This FID is unpacked just for validation at this point */
- rc = ostid_to_fid(&fid, &oa->o_oi, 0);
- if (rc < 0)
- RETURN(rc);
+ /* This FID is unpacked just for validation at this point */
+ rc = ostid_to_fid(&fid, &oa->o_oi, 0);
+ if (rc < 0)
+ RETURN(rc);
- OBD_ALLOC_PTR(env);
- if (env == NULL)
- RETURN(-ENOMEM);
+ env = cl_env_get(&refcheck);
+ if (IS_ERR(env))
+ RETURN(PTR_ERR(env));
- rc = lu_env_init(env, LCT_DT_THREAD);
- if (rc)
- GOTO(out_alloc, rc = -ENOMEM);
+ lu_env_add(env);
#ifdef HAVE_SERVER_SUPPORT
- env->le_ses = &echo_session;
- rc = lu_context_init(env->le_ses, LCT_SERVER_SESSION | LCT_NOREF);
- if (unlikely(rc < 0))
- GOTO(out_env, rc);
- lu_context_enter(env->le_ses);
+ if (cmd == OBD_IOC_ECHO_MD || cmd == OBD_IOC_ECHO_ALLOC_SEQ)
+ env_tags = ECHO_MD_CTX_TAG;
+ else
+#endif
+ env_tags = ECHO_DT_CTX_TAG;
+
+ rc = lu_env_refill_by_tags(env, env_tags, ECHO_SES_TAG);
+ if (rc != 0)
+ GOTO(out, rc);
+#ifdef HAVE_SERVER_SUPPORT
tsi = tgt_ses_info(env);
- tsi->tsi_exp = ec->ec_exp;
+ /* treat as local operation */
+ tsi->tsi_exp = NULL;
tsi->tsi_jobid = NULL;
#endif
- switch (cmd) {
- case OBD_IOC_CREATE: /* may create echo object */
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- GOTO (out, rc = -EPERM);
+
+ switch (cmd) {
+ case OBD_IOC_CREATE: /* may create echo object */
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ GOTO(out, rc = -EPERM);
rc = echo_create_object(env, ed, oa);
- GOTO(out, rc);
+ GOTO(out, rc);
#ifdef HAVE_SERVER_SUPPORT
case OBD_IOC_ECHO_MD: {
id = data->ioc_obdo2.o_oi.oi.oi_id;
dirlen = data->ioc_plen1;
OBD_ALLOC(dir, dirlen + 1);
- if (dir == NULL)
+ if (!dir)
GOTO(out, rc = -ENOMEM);
if (copy_from_user(dir, data->ioc_pbuf1, dirlen)) {
OBD_FREE(dir, dirlen + 1);
GOTO(out, rc);
}
- case OBD_IOC_ECHO_ALLOC_SEQ: {
- struct lu_env *cl_env;
- int refcheck;
- __u64 seq;
- int max_count;
-
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- GOTO(out, rc = -EPERM);
-
- cl_env = cl_env_get(&refcheck);
- if (IS_ERR(cl_env))
- GOTO(out, rc = PTR_ERR(cl_env));
-
- rc = lu_env_refill_by_tags(cl_env, ECHO_MD_CTX_TAG,
- ECHO_MD_SES_TAG);
- if (rc != 0) {
- cl_env_put(cl_env, &refcheck);
- GOTO(out, rc);
- }
-
- rc = seq_client_get_seq(cl_env, ed->ed_cl_seq, &seq);
- cl_env_put(cl_env, &refcheck);
- if (rc < 0) {
- CERROR("%s: Can not alloc seq: rc = %d\n",
- obd->obd_name, rc);
- GOTO(out, rc);
- }
+ case OBD_IOC_ECHO_ALLOC_SEQ: {
+ __u64 seq;
+ int max_count;
+
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ GOTO(out, rc = -EPERM);
+
+ rc = seq_client_get_seq(env, ed->ed_cl_seq, &seq);
+ if (rc < 0) {
+ CERROR("%s: Can not alloc seq: rc = %d\n",
+ obd->obd_name, rc);
+ GOTO(out, rc);
+ }
if (copy_to_user(data->ioc_pbuf1, &seq, data->ioc_plen1))
- return -EFAULT;
+ return -EFAULT;
max_count = LUSTRE_METADATA_SEQ_MAX_WIDTH;
if (copy_to_user(data->ioc_pbuf2, &max_count,
data->ioc_plen2))
return -EFAULT;
GOTO(out, rc);
- }
+ }
#endif /* HAVE_SERVER_SUPPORT */
- case OBD_IOC_DESTROY:
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- GOTO (out, rc = -EPERM);
+ case OBD_IOC_DESTROY:
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ GOTO(out, rc = -EPERM);
- rc = echo_get_object(&eco, ed, oa);
- if (rc == 0) {
+ rc = echo_get_object(&eco, ed, oa);
+ if (rc == 0) {
rc = obd_destroy(env, ec->ec_exp, oa);
- if (rc == 0)
- eco->eo_deleted = 1;
- echo_put_object(eco);
- }
- GOTO(out, rc);
-
- case OBD_IOC_GETATTR:
- rc = echo_get_object(&eco, ed, oa);
- if (rc == 0) {
+ if (rc == 0)
+ eco->eo_deleted = 1;
+ echo_put_object(eco);
+ }
+ GOTO(out, rc);
+
+ case OBD_IOC_GETATTR:
+ rc = echo_get_object(&eco, ed, oa);
+ if (rc == 0) {
rc = obd_getattr(env, ec->ec_exp, oa);
- echo_put_object(eco);
- }
- GOTO(out, rc);
+ echo_put_object(eco);
+ }
+ GOTO(out, rc);
- case OBD_IOC_SETATTR:
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- GOTO (out, rc = -EPERM);
+ case OBD_IOC_SETATTR:
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ GOTO(out, rc = -EPERM);
- rc = echo_get_object(&eco, ed, oa);
- if (rc == 0) {
+ rc = echo_get_object(&eco, ed, oa);
+ if (rc == 0) {
rc = obd_setattr(env, ec->ec_exp, oa);
- echo_put_object(eco);
- }
- GOTO(out, rc);
+ echo_put_object(eco);
+ }
+ GOTO(out, rc);
- case OBD_IOC_BRW_WRITE:
- if (!cfs_capable(CFS_CAP_SYS_ADMIN))
- GOTO (out, rc = -EPERM);
+ case OBD_IOC_BRW_WRITE:
+ if (!cfs_capable(CFS_CAP_SYS_ADMIN))
+ GOTO(out, rc = -EPERM);
- rw = OBD_BRW_WRITE;
- /* fall through */
- case OBD_IOC_BRW_READ:
+ rw = OBD_BRW_WRITE;
+ /* fall through */
+ case OBD_IOC_BRW_READ:
rc = echo_client_brw_ioctl(env, rw, exp, data);
- GOTO(out, rc);
+ GOTO(out, rc);
- default:
- CERROR ("echo_ioctl(): unrecognised ioctl %#x\n", cmd);
- GOTO (out, rc = -ENOTTY);
- }
+ default:
+ CERROR("echo_ioctl(): unrecognised ioctl %#x\n", cmd);
+ GOTO(out, rc = -ENOTTY);
+ }
- EXIT;
+ EXIT;
out:
-#ifdef HAVE_SERVER_SUPPORT
- lu_context_exit(env->le_ses);
- lu_context_fini(env->le_ses);
-out_env:
-#endif
- lu_env_fini(env);
-out_alloc:
- OBD_FREE_PTR(env);
+ lu_env_remove(env);
+ cl_env_put(env, &refcheck);
- return rc;
+ return rc;
}
static int echo_client_setup(const struct lu_env *env,
- struct obd_device *obddev, struct lustre_cfg *lcfg)
-{
- struct echo_client_obd *ec = &obddev->u.echo_client;
- struct obd_device *tgt;
- struct obd_uuid echo_uuid = { "ECHO_UUID" };
- struct obd_connect_data *ocd = NULL;
- int rc;
- ENTRY;
-
- if (lcfg->lcfg_bufcount < 2 || LUSTRE_CFG_BUFLEN(lcfg, 1) < 1) {
- CERROR("requires a TARGET OBD name\n");
- RETURN(-EINVAL);
- }
-
- tgt = class_name2obd(lustre_cfg_string(lcfg, 1));
- if (!tgt || !tgt->obd_attached || !tgt->obd_set_up) {
- CERROR("device not attached or not set up (%s)\n",
- lustre_cfg_string(lcfg, 1));
- RETURN(-EINVAL);
- }
+ struct obd_device *obddev, struct lustre_cfg *lcfg)
+{
+ struct echo_client_obd *ec = &obddev->u.echo_client;
+ struct obd_device *tgt;
+ struct obd_uuid echo_uuid = { "ECHO_UUID" };
+ struct obd_connect_data *ocd = NULL;
+ int rc;
+
+ ENTRY;
+ if (lcfg->lcfg_bufcount < 2 || LUSTRE_CFG_BUFLEN(lcfg, 1) < 1) {
+ CERROR("requires a TARGET OBD name\n");
+ RETURN(-EINVAL);
+ }
+
+ tgt = class_name2obd(lustre_cfg_string(lcfg, 1));
+ if (!tgt || !tgt->obd_attached || !tgt->obd_set_up) {
+ CERROR("device not attached or not set up (%s)\n",
+ lustre_cfg_string(lcfg, 1));
+ RETURN(-EINVAL);
+ }
spin_lock_init(&ec->ec_lock);
INIT_LIST_HEAD(&ec->ec_objects);
INIT_LIST_HEAD(&ec->ec_locks);
- ec->ec_unique = 0;
+ ec->ec_unique = 0;
+
+ lu_context_tags_update(ECHO_DT_CTX_TAG);
+ lu_session_tags_update(ECHO_SES_TAG);
if (!strcmp(tgt->obd_type->typ_name, LUSTRE_MDT_NAME)) {
#ifdef HAVE_SERVER_SUPPORT
lu_context_tags_update(ECHO_MD_CTX_TAG);
- lu_session_tags_update(ECHO_MD_SES_TAG);
#else
- CERROR("Local operations are NOT supported on client side. "
- "Only remote operations are supported. Metadata client "
- "must be run on server side.\n");
+ CERROR(
+ "Local operations are NOT supported on client side. Only remote operations are supported. Metadata client must be run on server side.\n");
#endif
RETURN(0);
}
- OBD_ALLOC(ocd, sizeof(*ocd));
- if (ocd == NULL) {
- CERROR("Can't alloc ocd connecting to %s\n",
- lustre_cfg_string(lcfg, 1));
- return -ENOMEM;
- }
+ OBD_ALLOC(ocd, sizeof(*ocd));
+ if (!ocd) {
+ CERROR("Can't alloc ocd connecting to %s\n",
+ lustre_cfg_string(lcfg, 1));
+ return -ENOMEM;
+ }
- ocd->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_REQPORTAL |
+ ocd->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_REQPORTAL |
OBD_CONNECT_BRW_SIZE |
- OBD_CONNECT_GRANT | OBD_CONNECT_FULL20 |
+ OBD_CONNECT_GRANT | OBD_CONNECT_FULL20 |
OBD_CONNECT_64BITHASH | OBD_CONNECT_LVB_TYPE |
OBD_CONNECT_FID;
ocd->ocd_brw_size = DT_MAX_BRW_SIZE;
- ocd->ocd_version = LUSTRE_VERSION_CODE;
- ocd->ocd_group = FID_SEQ_ECHO;
+ ocd->ocd_version = LUSTRE_VERSION_CODE;
+ ocd->ocd_group = FID_SEQ_ECHO;
- rc = obd_connect(env, &ec->ec_exp, tgt, &echo_uuid, ocd, NULL);
- if (rc == 0) {
- /* Turn off pinger because it connects to tgt obd directly. */
+ rc = obd_connect(env, &ec->ec_exp, tgt, &echo_uuid, ocd, NULL);
+ if (rc == 0) {
+ /* Turn off pinger because it connects to tgt obd directly. */
spin_lock(&tgt->obd_dev_lock);
list_del_init(&ec->ec_exp->exp_obd_chain_timed);
spin_unlock(&tgt->obd_dev_lock);
- }
+ }
- OBD_FREE(ocd, sizeof(*ocd));
+ OBD_FREE(ocd, sizeof(*ocd));
- if (rc != 0) {
- CERROR("fail to connect to device %s\n",
- lustre_cfg_string(lcfg, 1));
- return (rc);
- }
+ if (rc != 0) {
+ CERROR("fail to connect to device %s\n",
+ lustre_cfg_string(lcfg, 1));
+ return rc;
+ }
- RETURN(rc);
+ RETURN(rc);
}
static int echo_client_cleanup(struct obd_device *obddev)
{
- struct echo_device *ed = obd2echo_dev(obddev);
- struct echo_client_obd *ec = &obddev->u.echo_client;
- int rc;
- ENTRY;
+ struct echo_device *ed = obd2echo_dev(obddev);
+ struct echo_client_obd *ec = &obddev->u.echo_client;
+ int rc;
- /*Do nothing for Metadata echo client*/
- if (ed == NULL )
- RETURN(0);
+ ENTRY;
+ /*Do nothing for Metadata echo client*/
+ if (!ed)
+ RETURN(0);
- if (ed->ed_next_ismd) {
+ lu_session_tags_clear(ECHO_SES_TAG & ~LCT_SESSION);
+ lu_context_tags_clear(ECHO_DT_CTX_TAG);
+ if (ed->ed_next_ismd) {
#ifdef HAVE_SERVER_SUPPORT
lu_context_tags_clear(ECHO_MD_CTX_TAG);
- lu_session_tags_clear(ECHO_MD_SES_TAG);
#else
- CERROR("This is client-side only module, does not support "
- "metadata echo client.\n");
+ CERROR(
+ "This is client-side only module, does not support metadata echo client.\n");
#endif
- RETURN(0);
- }
+ RETURN(0);
+ }
if (!list_empty(&obddev->obd_exports)) {
- CERROR("still has clients!\n");
- RETURN(-EBUSY);
- }
+ CERROR("still has clients!\n");
+ RETURN(-EBUSY);
+ }
LASSERT(atomic_read(&ec->ec_exp->exp_refcount) > 0);
- rc = obd_disconnect(ec->ec_exp);
- if (rc != 0)
- CERROR("fail to disconnect device: %d\n", rc);
+ rc = obd_disconnect(ec->ec_exp);
+ if (rc != 0)
+ CERROR("fail to disconnect device: %d\n", rc);
- RETURN(rc);
+ RETURN(rc);
}
static int echo_client_connect(const struct lu_env *env,
- struct obd_export **exp,
- struct obd_device *src, struct obd_uuid *cluuid,
- struct obd_connect_data *data, void *localdata)
+ struct obd_export **exp,
+ struct obd_device *src, struct obd_uuid *cluuid,
+ struct obd_connect_data *data, void *localdata)
{
- int rc;
- struct lustre_handle conn = { 0 };
+ int rc;
+ struct lustre_handle conn = { 0 };
- ENTRY;
- rc = class_connect(&conn, src, cluuid);
- if (rc == 0) {
- *exp = class_conn2export(&conn);
- }
+ ENTRY;
+ rc = class_connect(&conn, src, cluuid);
+ if (rc == 0)
+ *exp = class_conn2export(&conn);
- RETURN (rc);
+ RETURN(rc);
}
static int echo_client_disconnect(struct obd_export *exp)
{
- int rc;
- ENTRY;
+ int rc;
- if (exp == NULL)
- GOTO(out, rc = -EINVAL);
+ ENTRY;
+ if (!exp)
+ GOTO(out, rc = -EINVAL);
- rc = class_disconnect(exp);
- GOTO(out, rc);
- out:
- return rc;
+ rc = class_disconnect(exp);
+ GOTO(out, rc);
+out:
+ return rc;
}
static struct obd_ops echo_client_obd_ops = {
- .o_owner = THIS_MODULE,
- .o_iocontrol = echo_client_iocontrol,
- .o_connect = echo_client_connect,
- .o_disconnect = echo_client_disconnect
+ .o_owner = THIS_MODULE,
+ .o_iocontrol = echo_client_iocontrol,
+ .o_connect = echo_client_connect,
+ .o_disconnect = echo_client_disconnect
};
-static int echo_client_init(void)
-{
- int rc;
-
- rc = lu_kmem_init(echo_caches);
- if (rc == 0) {
- rc = class_register_type(&echo_client_obd_ops, NULL, true, NULL,
- LUSTRE_ECHO_CLIENT_NAME,
- &echo_device_type);
- if (rc)
- lu_kmem_fini(echo_caches);
- }
- return rc;
-}
-
-static void echo_client_exit(void)
-{
- class_unregister_type(LUSTRE_ECHO_CLIENT_NAME);
- lu_kmem_fini(echo_caches);
-}
-
static int __init obdecho_init(void)
{
- int rc;
+ int rc;
- ENTRY;
- LCONSOLE_INFO("Echo OBD driver; http://www.lustre.org/\n");
+ ENTRY;
+ LCONSOLE_INFO("Echo OBD driver; http://www.lustre.org/\n");
- LASSERT(PAGE_CACHE_SIZE % OBD_ECHO_BLOCK_SIZE == 0);
+ LASSERT(PAGE_SIZE % OBD_ECHO_BLOCK_SIZE == 0);
# ifdef HAVE_SERVER_SUPPORT
- rc = echo_persistent_pages_init();
- if (rc != 0)
- goto failed_0;
+ rc = echo_persistent_pages_init();
+ if (rc != 0)
+ goto failed_0;
rc = class_register_type(&echo_obd_ops, NULL, true, NULL,
- LUSTRE_ECHO_NAME, NULL);
+ LUSTRE_ECHO_NAME, &echo_srv_type);
if (rc != 0)
goto failed_1;
# endif
- rc = echo_client_init();
+ rc = lu_kmem_init(echo_caches);
+ if (rc == 0) {
+ rc = class_register_type(&echo_client_obd_ops, NULL, false,
+ NULL, LUSTRE_ECHO_CLIENT_NAME,
+ &echo_device_type);
+ if (rc)
+ lu_kmem_fini(echo_caches);
+ }
# ifdef HAVE_SERVER_SUPPORT
- if (rc == 0)
- RETURN(0);
+ if (rc == 0)
+ RETURN(0);
- class_unregister_type(LUSTRE_ECHO_NAME);
+ class_unregister_type(LUSTRE_ECHO_NAME);
failed_1:
- echo_persistent_pages_fini();
+ echo_persistent_pages_fini();
failed_0:
# endif
- RETURN(rc);
+ RETURN(rc);
}
-static void /*__exit*/ obdecho_exit(void)
+static void __exit obdecho_exit(void)
{
- echo_client_exit();
+ class_unregister_type(LUSTRE_ECHO_CLIENT_NAME);
+ lu_kmem_fini(echo_caches);
-# ifdef HAVE_SERVER_SUPPORT
- class_unregister_type(LUSTRE_ECHO_NAME);
- echo_persistent_pages_fini();
-# endif
+#ifdef HAVE_SERVER_SUPPORT
+ class_unregister_type(LUSTRE_ECHO_NAME);
+ echo_persistent_pages_fini();
+#endif
}
-MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
-MODULE_DESCRIPTION("Lustre Testing Echo OBD driver");
+MODULE_AUTHOR("OpenSFS, Inc. <http://www.lustre.org/>");
+MODULE_DESCRIPTION("Lustre Echo Client test driver");
MODULE_VERSION(LUSTRE_VERSION_STRING);
MODULE_LICENSE("GPL");
git://git.whamcloud.com / fs / lustre-release.git / blobdiff