* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Whamcloud, Inc.
+ * Copyright (c) 2011, 2012, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
struct echo_page {
struct cl_page_slice ep_cl;
- cfs_mutex_t ep_lock;
+ struct mutex ep_lock;
cfs_page_t *ep_vmpage;
};
struct lov_user_md_v3 eti_lum;
struct md_attr eti_ma;
struct lu_name eti_lname;
+ /* per-thread values, can be re-used */
+ void *eti_big_lmm;
+ int eti_big_lmmsize;
char eti_name[20];
struct lu_buf eti_buf;
char eti_xattr_buf[LUSTRE_POSIX_ACL_MAX_SIZE];
unsigned long dummy;
};
-static cfs_mem_cache_t *echo_page_kmem;
static cfs_mem_cache_t *echo_lock_kmem;
static cfs_mem_cache_t *echo_object_kmem;
static cfs_mem_cache_t *echo_thread_kmem;
static struct lu_kmem_descr echo_caches[] = {
{
- .ckd_cache = &echo_page_kmem,
- .ckd_name = "echo_page_kmem",
- .ckd_size = sizeof (struct echo_page)
- },
- {
.ckd_cache = &echo_lock_kmem,
.ckd_name = "echo_lock_kmem",
.ckd_size = sizeof (struct echo_lock)
struct echo_page *ep = cl2echo_page(slice);
if (!nonblock)
- cfs_mutex_lock(&ep->ep_lock);
- else if (!cfs_mutex_trylock(&ep->ep_lock))
+ mutex_lock(&ep->ep_lock);
+ else if (!mutex_trylock(&ep->ep_lock))
return -EAGAIN;
return 0;
}
{
struct echo_page *ep = cl2echo_page(slice);
- LASSERT(cfs_mutex_is_locked(&ep->ep_lock));
- cfs_mutex_unlock(&ep->ep_lock);
+ LASSERT(mutex_is_locked(&ep->ep_lock));
+ mutex_unlock(&ep->ep_lock);
}
static void echo_page_discard(const struct lu_env *env,
static int echo_page_is_vmlocked(const struct lu_env *env,
const struct cl_page_slice *slice)
{
- if (cfs_mutex_is_locked(&cl2echo_page(slice)->ep_lock))
+ if (mutex_is_locked(&cl2echo_page(slice)->ep_lock))
return -EBUSY;
return -ENODATA;
}
cfs_atomic_dec(&eco->eo_npages);
page_cache_release(vmpage);
- OBD_SLAB_FREE_PTR(ep, echo_page_kmem);
EXIT;
}
struct echo_page *ep = cl2echo_page(slice);
(*printer)(env, cookie, LUSTRE_ECHO_CLIENT_NAME"-page@%p %d vm@%p\n",
- ep, cfs_mutex_is_locked(&ep->ep_lock), ep->ep_vmpage);
+ ep, mutex_is_locked(&ep->ep_lock), ep->ep_vmpage);
return 0;
}
*
* @{
*/
-static struct cl_page *echo_page_init(const struct lu_env *env,
- struct cl_object *obj,
- struct cl_page *page, cfs_page_t *vmpage)
+static int echo_page_init(const struct lu_env *env, struct cl_object *obj,
+ struct cl_page *page, cfs_page_t *vmpage)
{
- struct echo_page *ep;
+ struct echo_page *ep = cl_object_page_slice(obj, page);
+ struct echo_object *eco = cl2echo_obj(obj);
ENTRY;
- OBD_SLAB_ALLOC_PTR_GFP(ep, echo_page_kmem, CFS_ALLOC_IO);
- if (ep != NULL) {
- struct echo_object *eco = cl2echo_obj(obj);
- ep->ep_vmpage = vmpage;
- page_cache_get(vmpage);
- cfs_mutex_init(&ep->ep_lock);
- cl_page_slice_add(page, &ep->ep_cl, obj, &echo_page_ops);
- cfs_atomic_inc(&eco->eo_npages);
- }
- RETURN(ERR_PTR(ep ? 0 : -ENOMEM));
+ ep->ep_vmpage = vmpage;
+ page_cache_get(vmpage);
+ mutex_init(&ep->ep_lock);
+ cl_page_slice_add(page, &ep->ep_cl, obj, &echo_page_ops);
+ cfs_atomic_inc(&eco->eo_npages);
+ RETURN(0);
}
static int echo_io_init(const struct lu_env *env, struct cl_object *obj,
eco->eo_dev = ed;
cfs_atomic_set(&eco->eo_npages, 0);
+ cl_object_page_init(lu2cl(obj), sizeof(struct echo_page));
- cfs_spin_lock(&ec->ec_lock);
- cfs_list_add_tail(&eco->eo_obj_chain, &ec->ec_objects);
- cfs_spin_unlock(&ec->ec_lock);
+ spin_lock(&ec->ec_lock);
+ cfs_list_add_tail(&eco->eo_obj_chain, &ec->ec_objects);
+ spin_unlock(&ec->ec_lock);
- RETURN(0);
+ RETURN(0);
}
/* taken from osc_unpackmd() */
LASSERT(cfs_atomic_read(&eco->eo_npages) == 0);
- cfs_spin_lock(&ec->ec_lock);
+ spin_lock(&ec->ec_lock);
cfs_list_del_init(&eco->eo_obj_chain);
- cfs_spin_unlock(&ec->ec_lock);
+ spin_unlock(&ec->ec_lock);
lu_object_fini(obj);
lu_object_header_fini(obj->lo_header);
#define ECHO_SEQ_WIDTH 0xffffffff
static int echo_fid_init(struct echo_device *ed, char *obd_name,
- struct md_site *ms)
+ struct seq_server_site *ss)
{
char *prefix;
int rc;
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, ms->ms_server_seq);
+ /* 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)
ls = next->ld_site;
- cfs_spin_lock(&ls->ls_ld_lock);
- cfs_list_for_each_entry(ld, &ls->ls_ld_linkage, ld_linkage) {
- if (strcmp(ld->ld_type->ldt_name, tgt_type_name) == 0) {
- found = 1;
- break;
- }
- }
- cfs_spin_unlock(&ls->ls_ld_lock);
+ spin_lock(&ls->ls_ld_lock);
+ cfs_list_for_each_entry(ld, &ls->ls_ld_linkage, ld_linkage) {
+ if (strcmp(ld->ld_type->ldt_name, tgt_type_name) == 0) {
+ found = 1;
+ break;
+ }
+ }
+ spin_unlock(&ls->ls_ld_lock);
if (found == 0) {
CERROR("%s is not lu device type!\n",
ed->ed_site_myself.cs_lu = *ls;
ed->ed_site = &ed->ed_site_myself;
ed->ed_cl.cd_lu_dev.ld_site = &ed->ed_site_myself.cs_lu;
- rc = echo_fid_init(ed, obd->obd_name, lu_site2md(ls));
- if (rc) {
- CERROR("echo fid init error %d\n", rc);
- GOTO(out, rc);
- }
+ rc = echo_fid_init(ed, obd->obd_name, lu_site2seq(ls));
+ if (rc) {
+ CERROR("echo fid init error %d\n", rc);
+ GOTO(out, rc);
+ }
} else {
/* if echo client is to be stacked upon ost device, the next is
* NULL since ost is not a clio device so far */
* all of cached objects. Anyway, probably the echo device is being
* parallelly accessed.
*/
- cfs_spin_lock(&ec->ec_lock);
- cfs_list_for_each_entry(eco, &ec->ec_objects, eo_obj_chain)
- eco->eo_deleted = 1;
- cfs_spin_unlock(&ec->ec_lock);
-
- /* purge again */
- lu_site_purge(env, &ed->ed_site->cs_lu, -1);
-
- CDEBUG(D_INFO,
- "Waiting for the reference of echo object to be dropped\n");
-
- /* Wait for the last reference to be dropped. */
- cfs_spin_lock(&ec->ec_lock);
- while (!cfs_list_empty(&ec->ec_objects)) {
- cfs_spin_unlock(&ec->ec_lock);
- CERROR("echo_client still has objects at cleanup time, "
- "wait for 1 second\n");
- cfs_schedule_timeout_and_set_state(CFS_TASK_UNINT,
- cfs_time_seconds(1));
- lu_site_purge(env, &ed->ed_site->cs_lu, -1);
- cfs_spin_lock(&ec->ec_lock);
- }
- cfs_spin_unlock(&ec->ec_lock);
+ spin_lock(&ec->ec_lock);
+ cfs_list_for_each_entry(eco, &ec->ec_objects, eo_obj_chain)
+ eco->eo_deleted = 1;
+ spin_unlock(&ec->ec_lock);
+
+ /* purge again */
+ lu_site_purge(env, &ed->ed_site->cs_lu, -1);
+
+ CDEBUG(D_INFO,
+ "Waiting for the reference of echo object to be dropped\n");
+
+ /* Wait for the last reference to be dropped. */
+ spin_lock(&ec->ec_lock);
+ while (!cfs_list_empty(&ec->ec_objects)) {
+ spin_unlock(&ec->ec_lock);
+ CERROR("echo_client still has objects at cleanup time, "
+ "wait for 1 second\n");
+ cfs_schedule_timeout_and_set_state(CFS_TASK_UNINT,
+ cfs_time_seconds(1));
+ lu_site_purge(env, &ed->ed_site->cs_lu, -1);
+ spin_lock(&ec->ec_lock);
+ }
+ spin_unlock(&ec->ec_lock);
LASSERT(cfs_list_empty(&ec->ec_locks));
if (eco->eo_deleted) {
struct lu_object_header *loh = obj->co_lu.lo_header;
LASSERT(&eco->eo_hdr == luh2coh(loh));
- cfs_set_bit(LU_OBJECT_HEARD_BANSHEE, &loh->loh_flags);
+ set_bit(LU_OBJECT_HEARD_BANSHEE, &loh->loh_flags);
}
cl_object_put(env, obj);
rc = cl_wait(env, lck);
if (rc == 0) {
el = cl2echo_lock(cl_lock_at(lck, &echo_device_type));
- cfs_spin_lock(&ec->ec_lock);
- if (cfs_list_empty(&el->el_chain)) {
- cfs_list_add(&el->el_chain, &ec->ec_locks);
- el->el_cookie = ++ec->ec_unique;
- }
- cfs_atomic_inc(&el->el_refcount);
- *cookie = el->el_cookie;
- cfs_spin_unlock(&ec->ec_lock);
- } else
- cl_lock_release(env, lck, "ec enqueue", cfs_current());
- }
- RETURN(rc);
+ spin_lock(&ec->ec_lock);
+ if (cfs_list_empty(&el->el_chain)) {
+ cfs_list_add(&el->el_chain, &ec->ec_locks);
+ el->el_cookie = ++ec->ec_unique;
+ }
+ cfs_atomic_inc(&el->el_refcount);
+ *cookie = el->el_cookie;
+ spin_unlock(&ec->ec_lock);
+ } else {
+ cl_lock_release(env, lck, "ec enqueue", cfs_current());
+ }
+ }
+ RETURN(rc);
}
static int cl_echo_enqueue(struct echo_object *eco, obd_off start, obd_off end,
ENTRY;
LASSERT(ec != NULL);
- cfs_spin_lock (&ec->ec_lock);
+ spin_lock(&ec->ec_lock);
cfs_list_for_each (el, &ec->ec_locks) {
ecl = cfs_list_entry (el, struct echo_lock, el_chain);
CDEBUG(D_INFO, "ecl: %p, cookie: "LPX64"\n", ecl, ecl->el_cookie);
break;
}
}
- cfs_spin_unlock (&ec->ec_lock);
+ spin_unlock(&ec->ec_lock);
if (!found)
RETURN(-ENOENT);
lname->ln_namelen = strlen(name);
}
+/* similar to mdt_attr_get_complex */
+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;
+
+ ENTRY;
+
+ LASSERT(ma->ma_lmm_size > 0);
+
+ rc = mo_xattr_get(env, o, &LU_BUF_NULL, XATTR_NAME_LOV);
+ if (rc < 0)
+ RETURN(rc);
+
+ /* big_lmm may need to be grown */
+ if (info->eti_big_lmmsize < rc) {
+ int size = size_roundup_power2(rc);
+
+ if (info->eti_big_lmmsize > 0) {
+ /* free old buffer */
+ 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;
+ }
+
+ OBD_ALLOC_LARGE(info->eti_big_lmm, size);
+ if (info->eti_big_lmm == NULL)
+ RETURN(-ENOMEM);
+ info->eti_big_lmmsize = size;
+ }
+ LASSERT(info->eti_big_lmmsize >= rc);
+
+ 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 (rc < 0)
+ RETURN(rc);
+
+ ma->ma_valid |= MA_LOV;
+ ma->ma_lmm = info->eti_big_lmm;
+ ma->ma_lmm_size = rc;
+
+ RETURN(0);
+}
+
+int echo_attr_get_complex(const struct lu_env *env, struct md_object *next,
+ struct md_attr *ma)
+{
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_buf *buf = &info->eti_buf;
+ cfs_umode_t mode = lu_object_attr(&next->mo_lu);
+ int need = ma->ma_need;
+ int rc = 0, rc2;
+
+ ENTRY;
+
+ ma->ma_valid = 0;
+
+ if (need & MA_INODE) {
+ 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 {
+ GOTO(out, rc = rc2);
+ }
+ }
+ }
+
+#ifdef CONFIG_FS_POSIX_ACL
+ if (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);
+ if (rc2 > 0) {
+ ma->ma_acl_size = rc2;
+ ma->ma_valid |= MA_ACL_DEF;
+ } else if (rc2 == -ENODATA) {
+ /* no ACLs */
+ ma->ma_acl_size = 0;
+ } else {
+ GOTO(out, rc = rc2);
+ }
+ }
+#endif
+out:
+ ma->ma_need = need;
+ CDEBUG(D_INODE, "after getattr rc = %d, ma_valid = "LPX64" ma_lmm=%p\n",
+ rc, ma->ma_valid, ma->ma_lmm);
+ RETURN(rc);
+}
+
static int
echo_md_create_internal(const struct lu_env *env, struct echo_device *ed,
struct md_object *parent, struct lu_fid *fid,
struct lu_object_conf conf = { .loc_flags = LOC_F_NEW };
int rc;
+ ENTRY;
+
rc = mdo_lookup(env, parent, lname, fid2, spec);
if (rc == 0)
return -EEXIST;
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);
+ RETURN(PTR_ERR(ec_child));
}
child = lu_object_locate(ec_child->lo_header, ld->ld_type);
}
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;
}
-static int echo_set_lmm_size(const struct lu_env *env,
- struct lu_device *ld,
- struct md_attr *ma, int *lmm_size,
- int *cookie_size)
+static int echo_set_lmm_size(const struct lu_env *env, struct lu_device *ld,
+ struct md_attr *ma)
{
- struct md_device *md = lu2md_dev(ld);
- int rc;
- ENTRY;
-
- md = lu2md_dev(ld);
- rc = md->md_ops->mdo_maxsize_get(env, md,
- lmm_size, cookie_size);
- if (rc)
- RETURN(rc);
-
- ma->ma_lmm_size = *lmm_size;
- if (*lmm_size > 0) {
- OBD_ALLOC(ma->ma_lmm, *lmm_size);
- if (ma->ma_lmm == NULL) {
- ma->ma_lmm_size = 0;
- RETURN(-ENOMEM);
- }
- }
+ struct echo_thread_info *info = echo_env_info(env);
- ma->ma_cookie_size = *cookie_size;
- if (*cookie_size > 0) {
- OBD_ALLOC(ma->ma_cookie, *cookie_size);
- if (ma->ma_cookie == NULL) {
- ma->ma_cookie_size = 0;
- RETURN(-ENOMEM);
- }
+ if (strcmp(ld->ld_type->ldt_name, LUSTRE_MDD_NAME)) {
+ ma->ma_lmm = (void *)&info->eti_lmm;
+ ma->ma_lmm_size = sizeof(info->eti_lmm);
+ } else {
+ LASSERT(info->eti_big_lmmsize);
+ ma->ma_lmm = info->eti_big_lmm;
+ ma->ma_lmm_size = info->eti_big_lmmsize;
}
- RETURN(0);
+ return 0;
}
static int echo_create_md_object(const struct lu_env *env,
struct md_attr *ma = &info->eti_ma;
struct lu_device *ld = ed->ed_next;
int rc = 0;
- int lmm_size = 0;
- int cookie_size = 0;
int i;
+ ENTRY;
+
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- RETURN(PTR_ERR(parent));
- }
+ if (parent == NULL)
+ RETURN(-ENXIO);
memset(ma, 0, sizeof(*ma));
memset(spec, 0, sizeof(*spec));
if (stripe_count != 0) {
spec->sp_cr_flags |= FMODE_WRITE;
- rc = echo_set_lmm_size(env, ld, ma, &lmm_size, &cookie_size);
- if (rc)
- GOTO(out_free, rc);
+ 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;
}
ma->ma_attr.la_mode = mode;
- ma->ma_attr.la_valid = LA_CTIME;
+ ma->ma_attr.la_valid = LA_CTIME | LA_MODE;
ma->ma_attr.la_ctime = cfs_time_current_64();
if (name != NULL) {
/* If name is specified, only create one object by name */
rc = echo_md_create_internal(env, ed, lu2md(parent), fid, lname,
spec, ma);
- GOTO(out_free, rc);
+ RETURN(rc);
}
/* Create multiple object sequenced by id */
fid->f_oid++;
}
-out_free:
- if (lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, lmm_size);
- if (cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, cookie_size);
-
- return rc;
+ RETURN(rc);
}
static struct lu_object *echo_md_lookup(const struct lu_env *env,
int rc = 0;
int i;
+ ENTRY;
+
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- return PTR_ERR(parent);
- }
+ if (parent == NULL)
+ RETURN(-ENXIO);
- buf->lb_buf = info->eti_xattr_buf;
- buf->lb_len = sizeof(info->eti_xattr_buf);
for (i = 0; i < count; i++) {
struct lu_object *ec_child, *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);
- if (rc) {
+ if (rc < 0) {
CERROR("Can not setattr child "DFID": rc = %d\n",
PFID(lu_object_fid(child)), rc);
lu_object_put(env, ec_child);
id++;
lu_object_put(env, ec_child);
}
- return rc;
+ RETURN(rc);
}
static int echo_getattr_object(const struct lu_env *env,
struct md_attr *ma = &info->eti_ma;
struct lu_device *ld = ed->ed_next;
int rc = 0;
- int lmm_size = 0;
- int cookie_size = 0;
int i;
+ ENTRY;
+
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- return PTR_ERR(parent);
- }
+ if (parent == NULL)
+ RETURN(-ENXIO);
memset(ma, 0, sizeof(*ma));
- rc = echo_set_lmm_size(env, ld, ma, &lmm_size, &cookie_size);
- if (rc)
- GOTO(out_free, rc);
-
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);
+ echo_set_lmm_size(env, ld, ma);
ec_child = echo_md_lookup(env, ed, lu2md(parent), lname);
if (IS_ERR(ec_child)) {
if (child == NULL) {
CERROR("Can not locate the child %s\n", lname->ln_name);
lu_object_put(env, ec_child);
- GOTO(out_free, rc = -EINVAL);
+ RETURN(-EINVAL);
}
CDEBUG(D_RPCTRACE, "Start getattr object "DFID"\n",
PFID(lu_object_fid(child)));
- rc = mo_attr_get(env, lu2md(child), ma);
+ 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);
}
-out_free:
- if (lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, lmm_size);
- if (cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, cookie_size);
- return rc;
+ RETURN(rc);
}
static int echo_lookup_object(const struct lu_env *env,
int rc = 0;
int i;
+ if (ec_parent == NULL)
+ return -1;
parent = lu_object_locate(ec_parent->lo_header, ld->ld_type);
- if (ec_parent == NULL) {
- lu_object_put(env, ec_parent);
- return PTR_ERR(parent);
- }
+ if (parent == NULL)
+ return -ENXIO;
/*prepare the requests*/
for (i = 0; i < count; i++) {
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,
struct lu_device *ld = ed->ed_next;
struct lu_object *parent;
int rc = 0;
- int lmm_size = 0;
- int cookie_size = 0;
int i;
ENTRY;
ma->ma_need = MA_INODE;
ma->ma_valid = 0;
- rc = echo_set_lmm_size(env, ld, ma, &lmm_size, &cookie_size);
- if (rc)
- GOTO(out_free, rc);
if (name != NULL) {
lname->ln_name = name;
lname->ln_namelen = namelen;
rc = echo_md_destroy_internal(env, ed, lu2md(parent), lname,
ma);
- GOTO(out_free, rc);
+ RETURN(rc);
}
/*prepare the requests*/
for (i = 0; i < count; i++) {
char *tmp_name = info->eti_name;
- ma->ma_need |= MA_LOV;
ma->ma_valid = 0;
echo_md_build_name(lname, tmp_name, id);
id++;
}
-out_free:
- if (lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, lmm_size);
- if (cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, cookie_size);
RETURN(rc);
}
RETURN(parent);
}
+static void echo_ucred_init(struct lu_env *env)
+{
+ struct lu_ucred *ucred = lu_ucred(env);
+
+ ucred->uc_valid = UCRED_INVALID;
+
+ ucred->uc_suppgids[0] = -1;
+ ucred->uc_suppgids[1] = -1;
+
+ ucred->uc_uid = ucred->uc_o_uid = cfs_curproc_uid();
+ ucred->uc_gid = ucred->uc_o_gid = cfs_curproc_gid();
+ ucred->uc_fsuid = ucred->uc_o_fsuid = cfs_curproc_fsuid();
+ ucred->uc_fsgid = ucred->uc_o_fsgid = cfs_curproc_fsgid();
+ ucred->uc_cap = cfs_curproc_cap_pack();
+
+ /* remove fs privilege for non-root user. */
+ if (ucred->uc_fsuid)
+ ucred->uc_cap &= ~CFS_CAP_FS_MASK;
+ ucred->uc_valid = UCRED_NEW;
+}
+
+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)
static int echo_md_handler(struct echo_device *ed, int command,
char *path, int path_len, int 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;
RETURN(PTR_ERR(env));
rc = lu_env_refill_by_tags(env, ECHO_MD_CTX_TAG, ECHO_MD_SES_TAG);
- if (rc != 0) {
- cl_env_put(env, &refcheck);
- RETURN(rc);
- }
+ if (rc != 0)
+ GOTO(out_env, rc);
+
+ /* init big_lmm buffer */
+ 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)
+ 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));
- cl_env_put(env, &refcheck);
- RETURN(PTR_ERR(parent));
+ GOTO(out_free, rc = PTR_ERR(parent));
}
if (namelen > 0) {
OBD_ALLOC(name, namelen + 1);
if (name == NULL)
- RETURN(-ENOMEM);
- if (cfs_copy_from_user(name, data->ioc_pbuf2, namelen)) {
- OBD_FREE(name, namelen + 1);
- RETURN(-EFAULT);
- }
+ GOTO(out_put, rc = -ENOMEM);
+ if (cfs_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: {
rc = -EINVAL;
break;
}
+ echo_ucred_fini(env);
+
+out_name:
if (name != NULL)
OBD_FREE(name, namelen + 1);
+out_put:
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;
}
if (cfs_copy_to_user(data->ioc_pbuf1, &seq, data->ioc_plen1))
return -EFAULT;
- max_count = LUSTRE_SEQ_MAX_WIDTH;
- if (cfs_copy_to_user(data->ioc_pbuf2, &max_count,
- data->ioc_plen2))
- return -EFAULT;
- GOTO(out, rc);
+ max_count = LUSTRE_METADATA_SEQ_MAX_WIDTH;
+ if (cfs_copy_to_user(data->ioc_pbuf2, &max_count,
+ data->ioc_plen2))
+ return -EFAULT;
+ GOTO(out, rc);
}
case OBD_IOC_DESTROY:
if (!cfs_capable(CFS_CAP_SYS_ADMIN))
RETURN(-EINVAL);
}
- cfs_spin_lock_init (&ec->ec_lock);
+ spin_lock_init(&ec->ec_lock);
CFS_INIT_LIST_HEAD (&ec->ec_objects);
CFS_INIT_LIST_HEAD (&ec->ec_locks);
ec->ec_unique = 0;
ocd->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_REQPORTAL |
OBD_CONNECT_GRANT | OBD_CONNECT_FULL20 |
- OBD_CONNECT_64BITHASH;
+ OBD_CONNECT_64BITHASH | OBD_CONNECT_LVB_TYPE;
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. */
- cfs_spin_lock(&tgt->obd_dev_lock);
- cfs_list_del_init(&ec->ec_exp->exp_obd_chain_timed);
- cfs_spin_unlock(&tgt->obd_dev_lock);
+ spin_lock(&tgt->obd_dev_lock);
+ cfs_list_del_init(&ec->ec_exp->exp_obd_chain_timed);
+ spin_unlock(&tgt->obd_dev_lock);
}
OBD_FREE(ocd, sizeof(*ocd));
git://git.whamcloud.com / fs / lustre-release.git / blobdiff