#include <lustre_fid.h>
#include <lustre_acl.h>
#include <lustre_net.h>
+#include <obd_lov.h>
#include "echo_internal.h"
struct echo_page {
struct cl_page_slice ep_cl;
- cfs_mutex_t ep_lock;
+ struct mutex ep_lock;
cfs_page_t *ep_vmpage;
};
struct cl_io eti_io;
struct cl_lock_descr eti_descr;
struct lu_fid eti_fid;
+ struct lu_fid eti_fid2;
struct md_op_spec eti_spec;
struct lov_mds_md_v3 eti_lmm;
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];
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;
}
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;
}
struct echo_object *eco = cl2echo_obj(obj);
ep->ep_vmpage = vmpage;
page_cache_get(vmpage);
- cfs_mutex_init(&ep->ep_lock);
+ mutex_init(&ep->ep_lock);
cl_page_slice_add(page, &ep->ep_cl, obj, &echo_page_ops);
cfs_atomic_inc(&eco->eo_npages);
}
eco->eo_dev = ed;
cfs_atomic_set(&eco->eo_npages, 0);
- 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() */
+static int echo_alloc_memmd(struct echo_device *ed,
+ struct lov_stripe_md **lsmp)
+{
+ int lsm_size;
+
+ ENTRY;
+
+ /* If export is lov/osc then use their obd method */
+ if (ed->ed_next != NULL)
+ return obd_alloc_memmd(ed->ed_ec->ec_exp, lsmp);
+ /* OFD has no unpackmd method, do everything here */
+ lsm_size = lov_stripe_md_size(1);
+
+ LASSERT(*lsmp == NULL);
+ OBD_ALLOC(*lsmp, lsm_size);
+ if (*lsmp == NULL)
+ RETURN(-ENOMEM);
+
+ OBD_ALLOC((*lsmp)->lsm_oinfo[0], sizeof(struct lov_oinfo));
+ if ((*lsmp)->lsm_oinfo[0] == NULL) {
+ OBD_FREE(*lsmp, lsm_size);
+ RETURN(-ENOMEM);
+ }
+
+ loi_init((*lsmp)->lsm_oinfo[0]);
+ (*lsmp)->lsm_maxbytes = LUSTRE_STRIPE_MAXBYTES;
+
+ RETURN(lsm_size);
+}
+
+static int echo_free_memmd(struct echo_device *ed, struct lov_stripe_md **lsmp)
+{
+ int lsm_size;
+
+ ENTRY;
+
+ /* If export is lov/osc then use their obd method */
+ if (ed->ed_next != NULL)
+ return obd_free_memmd(ed->ed_ec->ec_exp, lsmp);
+ /* OFD has no unpackmd method, do everything here */
+ lsm_size = lov_stripe_md_size(1);
+
+ LASSERT(*lsmp != NULL);
+ OBD_FREE((*lsmp)->lsm_oinfo[0], sizeof(struct lov_oinfo));
+ OBD_FREE(*lsmp, lsm_size);
+ *lsmp = NULL;
+ RETURN(0);
}
static void echo_object_free(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;
- struct lov_stripe_md *lsm = eco->eo_lsm;
ENTRY;
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);
- if (lsm)
- obd_free_memmd(ec->ec_exp, &lsm);
- OBD_SLAB_FREE_PTR(eco, echo_object_kmem);
- EXIT;
+ if (eco->eo_lsm)
+ echo_free_memmd(eco->eo_dev, &eco->eo_lsm);
+ OBD_SLAB_FREE_PTR(eco, echo_object_kmem);
+ EXIT;
}
static int echo_object_print(const struct lu_env *env, void *cookie,
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",
* 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));
fid = &info->eti_fid;
lsm2fid(lsm, fid);
+ /* 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);
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,
info = echo_env_info(env);
io = &info->eti_io;
+ io->ci_ignore_layout = 1;
result = cl_io_init(env, io, CIT_MISC, echo_obj2cl(eco));
if (result < 0)
GOTO(out, result);
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);
queue = &info->eti_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);
if (async)
rc = cl_echo_async_brw(env, io, typ, queue);
else
- rc = cl_io_submit_sync(env, io, typ, queue,
- CRP_NORMAL, 0);
+ rc = cl_io_submit_sync(env, io, typ, queue, 0);
CDEBUG(D_INFO, "echo_client %s write returns %d\n",
async ? "async" : "sync", rc);
}
}
static inline void echo_md_build_name(struct lu_name *lname, char *name,
- __u64 id)
-{
- sprintf(name, "%llu", id);
- lname->ln_name = name;
- lname->ln_namelen = strlen(name);
+ __u64 id)
+{
+ sprintf(name, LPU64, id);
+ lname->ln_name = name;
+ 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_name *lname,
- struct md_op_spec *spec,
- struct md_attr *ma)
-{
- struct lu_object *ec_child, *child;
- struct lu_device *ld = ed->ed_next;
- int rc;
-
- ec_child = lu_object_find_at(env, &ed->ed_cl.cd_lu_dev,
- fid, NULL);
+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_name *lname, struct md_op_spec *spec,
+ struct md_attr *ma)
+{
+ struct lu_object *ec_child, *child;
+ struct lu_device *ld = ed->ed_next;
+ struct echo_thread_info *info = echo_env_info(env);
+ struct lu_fid *fid2 = &info->eti_fid2;
+ 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;
+ else if (rc != -ENOENT)
+ 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));
- return PTR_ERR(ec_child);
+ RETURN(PTR_ERR(ec_child));
}
child = lu_object_locate(ec_child->lo_header, ld->ld_type);
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);
}
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)
+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 lmm_size, cookie_size, 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,
int rc = 0;
int i;
+ ENTRY;
+
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);
- 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;
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;
+ 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 (ma->ma_lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, ma->ma_lmm_size);
- if (ma->ma_cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, ma->ma_cookie_size);
-
- return rc;
+ RETURN(rc);
}
static struct lu_object *echo_md_lookup(const struct lu_env *env,
int rc = 0;
int i;
+ ENTRY;
+
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,
int rc = 0;
int i;
+ ENTRY;
+
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);
- 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 (ma->ma_lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, ma->ma_lmm_size);
- if (ma->ma_cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, ma->ma_cookie_size);
- return rc;
+ RETURN(rc);
}
static int echo_lookup_object(const struct lu_env *env,
int i;
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,
CDEBUG(D_RPCTRACE, "Start destroy object "DFID" %s %p\n",
PFID(lu_object_fid(&parent->mo_lu)), lname->ln_name, parent);
-#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2,3,50,0)
- /* After 2.4, MDT will send destroy RPC to OST directly, so no need
- * this flag */
- ma->ma_valid |= MA_FLAGS;
- ma->ma_attr_flags |= MDS_UNLINK_DESTROY;
-#else
-#warning "Please remove this after 2.4 (LOD/OSP)"
-#endif
rc = mdo_unlink(env, parent, lu2md(child), lname, ma);
if (rc) {
CERROR("Can not unlink child %s: rc = %d\n",
ma->ma_need = MA_INODE;
ma->ma_valid = 0;
- rc = echo_set_lmm_size(env, ld, ma);
- 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 (ma->ma_lmm_size > 0 && ma->ma_lmm != NULL)
- OBD_FREE(ma->ma_lmm, ma->ma_lmm_size);
- if (ma->ma_cookie_size > 0 && ma->ma_cookie != NULL)
- OBD_FREE(ma->ma_cookie, ma->ma_cookie_size);
- RETURN(rc);
+ RETURN(rc);
}
static struct lu_object *echo_resolve_path(const struct lu_env *env,
RETURN(parent);
}
-#define ECHO_MD_CTX_TAG (LCT_REMEMBER | LCT_NOREF | LCT_MD_THREAD)
-#define ECHO_MD_SES_TAG (LCT_SESSION | LCT_REMEMBER | LCT_NOREF)
+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: {
fid->f_seq = data->ioc_obdo1.o_seq;
fid->f_oid = (__u32)data->ioc_obdo1.o_id;
fid->f_ver = 0;
+ /* 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);
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;
}
RETURN(-EINVAL);
}
- rc = obd_alloc_memmd(ec->ec_exp, &lsm);
+ rc = echo_alloc_memmd(ed, &lsm);
if (rc < 0) {
CERROR("Cannot allocate md: rc = %d\n", rc);
GOTO(failed, rc);
if (created && rc)
obd_destroy(env, ec->ec_exp, oa, lsm, oti, NULL, NULL);
if (lsm)
- obd_free_memmd(ec->ec_exp, &lsm);
+ echo_free_memmd(ed, &lsm);
if (rc)
CERROR("create object failed with: rc = %d\n", rc);
return (rc);
static int echo_get_object(struct echo_object **ecop, struct echo_device *ed,
struct obdo *oa)
{
- struct echo_client_obd *ec = ed->ed_ec;
struct lov_stripe_md *lsm = NULL;
struct echo_object *eco;
int rc;
RETURN(-EINVAL);
}
- rc = obd_alloc_memmd(ec->ec_exp, &lsm);
+ rc = echo_alloc_memmd(ed, &lsm);
if (rc < 0)
RETURN(rc);
else
rc = PTR_ERR(eco);
if (lsm)
- obd_free_memmd(ec->ec_exp, &lsm);
+ echo_free_memmd(ed, &lsm);
RETURN(rc);
}
RETURN(rc);
}
-static int echo_client_prep_commit(struct obd_export *exp, int rw,
- struct obdo *oa, struct echo_object *eco,
- obd_off offset, obd_size count,
- obd_size batch, struct obd_trans_info *oti,
- int async)
+static int echo_client_prep_commit(const struct lu_env *env,
+ struct obd_export *exp, int rw,
+ struct obdo *oa, struct echo_object *eco,
+ obd_off offset, obd_size count,
+ obd_size batch, struct obd_trans_info *oti,
+ int async)
{
struct lov_stripe_md *lsm = eco->eo_lsm;
struct obd_ioobj ioo;
struct niobuf_remote *rnb;
obd_off off;
obd_size npages, tot_pages;
- int i, ret = 0;
+ int i, ret = 0, brw_flags = 0;
+
ENTRY;
if (count <= 0 || (count & (~CFS_PAGE_MASK)) != 0 ||
if (lnb == NULL || rnb == NULL)
GOTO(out, ret = -ENOMEM);
+ if (rw == OBD_BRW_WRITE && async)
+ brw_flags |= OBD_BRW_ASYNC;
+
obdo_to_ioobj(oa, &ioo);
off = offset;
for (i = 0; i < npages; i++, off += CFS_PAGE_SIZE) {
rnb[i].offset = off;
rnb[i].len = CFS_PAGE_SIZE;
+ rnb[i].flags = brw_flags;
}
ioo.ioo_bufcnt = npages;
oti->oti_transno = 0;
lpages = npages;
- ret = obd_preprw(NULL, rw, exp, oa, 1, &ioo, rnb, &lpages,
+ ret = obd_preprw(env, rw, exp, oa, 1, &ioo, rnb, &lpages,
lnb, oti, NULL);
if (ret != 0)
GOTO(out, ret);
rnb[i].len);
}
- ret = obd_commitrw(NULL, rw, exp, oa, 1, &ioo,
- rnb, npages, lnb, oti, ret);
+ ret = obd_commitrw(env, rw, exp, oa, 1, &ioo,
+ rnb, npages, lnb, oti, ret);
if (ret != 0)
GOTO(out, ret);
RETURN(ret);
}
-static int echo_client_brw_ioctl(int rw, struct obd_export *exp,
- struct obd_ioctl_data *data)
+static int echo_client_brw_ioctl(const struct lu_env *env, int rw,
+ struct obd_export *exp,
+ struct obd_ioctl_data *data,
+ struct obd_trans_info *dummy_oti)
{
struct obd_device *obd = class_exp2obd(exp);
struct echo_device *ed = obd2echo_dev(obd);
struct echo_client_obd *ec = ed->ed_ec;
- struct obd_trans_info dummy_oti = { 0 };
struct obdo *oa = &data->ioc_obdo1;
struct echo_object *eco;
int rc;
oa->o_valid &= ~OBD_MD_FLHANDLE;
- /* obdfilter doesn't support obd_brw now, simulate via prep + commit */
+ /* OFD/obdfilter works only via prep/commit */
test_mode = (long)data->ioc_pbuf1;
if (test_mode == 1)
async = 0;
case 2:
rc = echo_client_kbrw(ed, rw, oa,
eco, data->ioc_offset,
- data->ioc_count, async, &dummy_oti);
+ data->ioc_count, async, dummy_oti);
break;
case 3:
- rc = echo_client_prep_commit(ec->ec_exp, rw, oa,
- eco, data->ioc_offset,
- data->ioc_count, data->ioc_plen1,
- &dummy_oti, async);
+ rc = echo_client_prep_commit(env, ec->ec_exp, rw, oa,
+ eco, data->ioc_offset,
+ data->ioc_count, data->ioc_plen1,
+ dummy_oti, async);
break;
default:
rc = -EINVAL;
rw = OBD_BRW_WRITE;
/* fall through */
case OBD_IOC_BRW_READ:
- rc = echo_client_brw_ioctl(rw, exp, data);
+ rc = echo_client_brw_ioctl(env, rw, exp, data, &dummy_oti);
GOTO(out, rc);
case ECHO_IOC_GET_STRIPE:
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