* Use is subject to license terms.
*/
/*
+ * Copyright (c) 2011 Whamcloud, Inc.
+ */
+/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
/* metadata statahead is enabled by default */
sbi->ll_sa_max = LL_SA_RPC_DEF;
- atomic_set(&sbi->ll_sa_total, 0);
- atomic_set(&sbi->ll_sa_wrong, 0);
+ cfs_atomic_set(&sbi->ll_sa_total, 0);
+ cfs_atomic_set(&sbi->ll_sa_wrong, 0);
+ cfs_atomic_set(&sbi->ll_agl_total, 0);
+ sbi->ll_flags |= LL_SBI_AGL_ENABLED;
RETURN(sbi);
}
struct ll_sb_info *sbi = ll_s2sbi(sb);
struct obd_device *obd;
struct obd_capa *oc = NULL;
- struct obd_statfs osfs;
+ struct obd_statfs *osfs = NULL;
struct ptlrpc_request *request = NULL;
struct obd_connect_data *data = NULL;
struct obd_uuid *uuid;
if (data == NULL)
RETURN(-ENOMEM);
+ OBD_ALLOC_PTR(osfs);
+ if (osfs == NULL) {
+ OBD_FREE_PTR(data);
+ RETURN(-ENOMEM);
+ }
+
if (proc_lustre_fs_root) {
err = lprocfs_register_mountpoint(proc_lustre_fs_root, sb,
dt, md);
/* indicate the features supported by this client */
data->ocd_connect_flags = OBD_CONNECT_IBITS | OBD_CONNECT_NODEVOH |
- OBD_CONNECT_JOIN | OBD_CONNECT_ATTRFID |
- OBD_CONNECT_VERSION | OBD_CONNECT_MDS_CAPA |
- OBD_CONNECT_OSS_CAPA | OBD_CONNECT_CANCELSET|
- OBD_CONNECT_FID | OBD_CONNECT_AT |
- OBD_CONNECT_LOV_V3 | OBD_CONNECT_RMT_CLIENT |
- OBD_CONNECT_VBR | OBD_CONNECT_FULL20 |
- OBD_CONNECT_64BITHASH;
+ OBD_CONNECT_ATTRFID |
+ OBD_CONNECT_VERSION | OBD_CONNECT_BRW_SIZE |
+ OBD_CONNECT_MDS_CAPA | OBD_CONNECT_OSS_CAPA |
+ OBD_CONNECT_CANCELSET | OBD_CONNECT_FID |
+ OBD_CONNECT_AT | OBD_CONNECT_LOV_V3 |
+ OBD_CONNECT_RMT_CLIENT | OBD_CONNECT_VBR |
+ OBD_CONNECT_FULL20 | OBD_CONNECT_64BITHASH;
if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
data->ocd_connect_flags |= OBD_CONNECT_SOM;
if (sbi->ll_flags & LL_SBI_RMT_CLIENT)
data->ocd_connect_flags |= OBD_CONNECT_RMT_CLIENT_FORCE;
+ data->ocd_brw_size = PTLRPC_MAX_BRW_SIZE;
+
err = obd_connect(NULL, &sbi->ll_md_exp, obd, &sbi->ll_sb_uuid, data, NULL);
if (err == -EBUSY) {
LCONSOLE_ERROR_MSG(0x14f, "An MDT (md %s) is performing "
GOTO(out_md, err);
}
- err = obd_statfs(obd, &osfs,
+ err = obd_statfs(obd, osfs,
cfs_time_shift_64(-OBD_STATFS_CACHE_SECONDS), 0);
if (err)
GOTO(out_md_fid, err);
+ /* This needs to be after statfs to ensure connect has finished.
+ * Note that "data" does NOT contain the valid connect reply.
+ * If connecting to a 1.8 server there will be no LMV device, so
+ * we can access the MDC export directly and exp_connect_flags will
+ * be non-zero, but if accessing an upgraded 2.1 server it will
+ * have the correct flags filled in.
+ * XXX: fill in the LMV exp_connect_flags from MDC(s). */
+ valid = sbi->ll_md_exp->exp_connect_flags & CLIENT_CONNECT_MDT_REQD;
+ if (sbi->ll_md_exp->exp_connect_flags != 0 &&
+ valid != CLIENT_CONNECT_MDT_REQD) {
+ char *buf;
+
+ OBD_ALLOC_WAIT(buf, CFS_PAGE_SIZE);
+ obd_connect_flags2str(buf, CFS_PAGE_SIZE,
+ valid ^ CLIENT_CONNECT_MDT_REQD, ",");
+ LCONSOLE_ERROR_MSG(0x170, "Server %s does not support "
+ "feature(s) needed for correct operation "
+ "of this client (%s). Please upgrade "
+ "server or downgrade client.\n",
+ sbi->ll_md_exp->exp_obd->obd_name, buf);
+ OBD_FREE(buf, CFS_PAGE_SIZE);
+ GOTO(out_md, err = -EPROTO);
+ }
+
size = sizeof(*data);
err = obd_get_info(sbi->ll_md_exp, sizeof(KEY_CONN_DATA),
KEY_CONN_DATA, &size, data, NULL);
GOTO(out_md, err);
}
- LASSERT(osfs.os_bsize);
- sb->s_blocksize = osfs.os_bsize;
- sb->s_blocksize_bits = log2(osfs.os_bsize);
+ LASSERT(osfs->os_bsize);
+ sb->s_blocksize = osfs->os_bsize;
+ sb->s_blocksize_bits = log2(osfs->os_bsize);
sb->s_magic = LL_SUPER_MAGIC;
/* for bug 11559. in $LINUX/fs/read_write.c, function do_sendfile():
#else
sb->s_maxbytes = PAGE_CACHE_MAXBYTES;
#endif
- sbi->ll_namelen = osfs.os_namelen;
+ sbi->ll_namelen = osfs->os_namelen;
sbi->ll_max_rw_chunk = LL_DEFAULT_MAX_RW_CHUNK;
if ((sbi->ll_flags & LL_SBI_USER_XATTR) &&
if (data->ocd_connect_flags & OBD_CONNECT_64BITHASH)
sbi->ll_flags |= LL_SBI_64BIT_HASH;
+ if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE)
+ sbi->ll_md_brw_size = data->ocd_brw_size;
+ else
+ sbi->ll_md_brw_size = CFS_PAGE_SIZE;
+
obd = class_name2obd(dt);
if (!obd) {
CERROR("DT %s: not setup or attached\n", dt);
OBD_CONNECT_SRVLOCK | OBD_CONNECT_TRUNCLOCK|
OBD_CONNECT_AT | OBD_CONNECT_RMT_CLIENT |
OBD_CONNECT_OSS_CAPA | OBD_CONNECT_VBR|
- OBD_CONNECT_FULL20 | OBD_CONNECT_64BITHASH;
+ OBD_CONNECT_FULL20 | OBD_CONNECT_64BITHASH |
+ OBD_CONNECT_MAXBYTES;
if (sbi->ll_flags & LL_SBI_SOM_PREVIEW)
data->ocd_connect_flags |= OBD_CONNECT_SOM;
if (OBD_FAIL_CHECK(OBD_FAIL_OSC_CKSUM_ADLER_ONLY))
data->ocd_cksum_types = OBD_CKSUM_ADLER;
else
- /* send the list of supported checksum types */
- data->ocd_cksum_types = OBD_CKSUM_ALL;
+ data->ocd_cksum_types = cksum_types_supported();
}
#ifdef HAVE_LRU_RESIZE_SUPPORT
obd->obd_upcall.onu_owner = &sbi->ll_lco;
obd->obd_upcall.onu_upcall = cl_ocd_update;
- data->ocd_brw_size = PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT;
+
+ data->ocd_brw_size = PTLRPC_MAX_BRW_SIZE;
err = obd_connect(NULL, &sbi->ll_dt_exp, obd, &sbi->ll_sb_uuid, data, NULL);
if (err == -EBUSY) {
valid |= OBD_MD_FLACL;
OBD_ALLOC_PTR(op_data);
- if (op_data == NULL)
+ if (op_data == NULL)
GOTO(out_lock_cn_cb, err = -ENOMEM);
op_data->op_fid1 = sbi->ll_root_fid;
CERROR("md_getattr failed for root: rc = %d\n", err);
GOTO(out_lock_cn_cb, err);
}
- memset(&lmd, 0, sizeof(lmd));
err = md_get_lustre_md(sbi->ll_md_exp, request, sbi->ll_dt_exp,
sbi->ll_md_exp, &lmd);
if (err) {
cl_sb_init(sb);
sb->s_root = d_alloc_root(root);
- if (data != NULL)
- OBD_FREE(data, sizeof(*data));
-
sb->s_root->d_op = &ll_d_root_ops;
sbi->ll_sdev_orig = sb->s_dev;
sb->s_dev = get_uuid2int(uuid->uuid, strlen(uuid->uuid));
sbi->ll_mnt = mnt;
+ if (data != NULL)
+ OBD_FREE_PTR(data);
+ if (osfs != NULL)
+ OBD_FREE_PTR(osfs);
+
RETURN(err);
out_root:
if (root)
out:
if (data != NULL)
OBD_FREE_PTR(data);
+ if (osfs != NULL)
+ OBD_FREE_PTR(osfs);
lprocfs_unregister_mountpoint(sbi);
return err;
}
void ll_lli_init(struct ll_inode_info *lli)
{
lli->lli_inode_magic = LLI_INODE_MAGIC;
- cfs_sema_init(&lli->lli_size_sem, 1);
- cfs_sema_init(&lli->lli_write_sem, 1);
- cfs_init_rwsem(&lli->lli_trunc_sem);
lli->lli_flags = 0;
- lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
+ lli->lli_ioepoch = 0;
cfs_spin_lock_init(&lli->lli_lock);
- CFS_INIT_LIST_HEAD(&lli->lli_close_list);
- lli->lli_inode_magic = LLI_INODE_MAGIC;
- cfs_sema_init(&lli->lli_och_sem, 1);
- lli->lli_mds_read_och = lli->lli_mds_write_och = NULL;
- lli->lli_mds_exec_och = NULL;
- lli->lli_open_fd_read_count = lli->lli_open_fd_write_count = 0;
- lli->lli_open_fd_exec_count = 0;
- CFS_INIT_LIST_HEAD(&lli->lli_dead_list);
+ lli->lli_posix_acl = NULL;
lli->lli_remote_perms = NULL;
- lli->lli_rmtperm_utime = 0;
cfs_sema_init(&lli->lli_rmtperm_sem, 1);
- CFS_INIT_LIST_HEAD(&lli->lli_oss_capas);
- cfs_spin_lock_init(&lli->lli_sa_lock);
- cfs_sema_init(&lli->lli_readdir_sem, 1);
+ /* Do not set lli_fid, it has been initialized already. */
fid_zero(&lli->lli_pfid);
+ CFS_INIT_LIST_HEAD(&lli->lli_close_list);
+ CFS_INIT_LIST_HEAD(&lli->lli_oss_capas);
+ cfs_atomic_set(&lli->lli_open_count, 0);
+ lli->lli_mds_capa = NULL;
+ lli->lli_rmtperm_time = 0;
+ lli->lli_pending_och = NULL;
+ lli->lli_mds_read_och = NULL;
+ lli->lli_mds_write_och = NULL;
+ lli->lli_mds_exec_och = NULL;
+ lli->lli_open_fd_read_count = 0;
+ lli->lli_open_fd_write_count = 0;
+ lli->lli_open_fd_exec_count = 0;
+ cfs_sema_init(&lli->lli_och_sem, 1);
+ cfs_spin_lock_init(&lli->lli_agl_lock);
+ lli->lli_smd = NULL;
+ lli->lli_clob = NULL;
+
+ LASSERT(lli->lli_vfs_inode.i_mode != 0);
+ if (S_ISDIR(lli->lli_vfs_inode.i_mode)) {
+ cfs_sema_init(&lli->lli_readdir_sem, 1);
+ lli->lli_opendir_key = NULL;
+ lli->lli_sai = NULL;
+ lli->lli_sa_pos = 0;
+ lli->lli_def_acl = NULL;
+ cfs_spin_lock_init(&lli->lli_sa_lock);
+ lli->lli_opendir_pid = 0;
+ } else {
+ cfs_sema_init(&lli->lli_size_sem, 1);
+ lli->lli_size_sem_owner = NULL;
+ lli->lli_symlink_name = NULL;
+ lli->lli_maxbytes = PAGE_CACHE_MAXBYTES;
+ cfs_init_rwsem(&lli->lli_trunc_sem);
+ cfs_sema_init(&lli->lli_write_sem, 1);
+ lli->lli_async_rc = 0;
+ lli->lli_write_rc = 0;
+ cfs_init_rwsem(&lli->lli_glimpse_sem);
+ lli->lli_glimpse_time = 0;
+ CFS_INIT_LIST_HEAD(&lli->lli_agl_list);
+ lli->lli_agl_index = 0;
+ }
}
static inline int ll_bdi_register(struct backing_dev_info *bdi)
#ifdef HAVE_BDI_REGISTER
static atomic_t ll_bdi_num = ATOMIC_INIT(0);
+#ifdef HAVE_BDI_NAME
bdi->name = "lustre";
+#endif
return bdi_register(bdi, NULL, "lustre-%d",
atomic_inc_return(&ll_bdi_num));
#else
int ll_fill_super(struct super_block *sb, struct vfsmount *mnt)
{
- struct lustre_profile *lprof;
+ struct lustre_profile *lprof = NULL;
struct lustre_sb_info *lsi = s2lsi(sb);
struct ll_sb_info *sbi;
char *dt = NULL, *md = NULL;
char *profilenm = get_profile_name(sb);
- struct config_llog_instance cfg = {0, };
- char ll_instance[sizeof(sb) * 2 + 1];
+ struct config_llog_instance *cfg;
+ /* %p for void* in printf needs 16+2 characters: 0xffffffffffffffff */
+ const int instlen = sizeof(cfg->cfg_instance) * 2 + 2;
int err;
ENTRY;
CDEBUG(D_VFSTRACE, "VFS Op: sb %p\n", sb);
+ OBD_ALLOC_PTR(cfg);
+ if (cfg == NULL)
+ RETURN(-ENOMEM);
+
cfs_module_get();
/* client additional sb info */
lsi->lsi_llsbi = sbi = ll_init_sbi();
if (!sbi) {
cfs_module_put(THIS_MODULE);
+ OBD_FREE_PTR(cfg);
RETURN(-ENOMEM);
}
/* Generate a string unique to this super, in case some joker tries
to mount the same fs at two mount points.
Use the address of the super itself.*/
- sprintf(ll_instance, "%p", sb);
- cfg.cfg_instance = ll_instance;
- cfg.cfg_uuid = lsi->lsi_llsbi->ll_sb_uuid;
+ cfg->cfg_instance = sb;
+ cfg->cfg_uuid = lsi->lsi_llsbi->ll_sb_uuid;
/* set up client obds */
- err = lustre_process_log(sb, profilenm, &cfg);
+ err = lustre_process_log(sb, profilenm, cfg);
if (err < 0) {
CERROR("Unable to process log: %d\n", err);
GOTO(out_free, err);
CDEBUG(D_CONFIG, "Found profile %s: mdc=%s osc=%s\n", profilenm,
lprof->lp_md, lprof->lp_dt);
- OBD_ALLOC(dt, strlen(lprof->lp_dt) +
- strlen(ll_instance) + 2);
+ OBD_ALLOC(dt, strlen(lprof->lp_dt) + instlen + 2);
if (!dt)
GOTO(out_free, err = -ENOMEM);
- sprintf(dt, "%s-%s", lprof->lp_dt, ll_instance);
+ sprintf(dt, "%s-%p", lprof->lp_dt, cfg->cfg_instance);
- OBD_ALLOC(md, strlen(lprof->lp_md) +
- strlen(ll_instance) + 2);
+ OBD_ALLOC(md, strlen(lprof->lp_md) + instlen + 2);
if (!md)
GOTO(out_free, err = -ENOMEM);
- sprintf(md, "%s-%s", lprof->lp_md, ll_instance);
+ sprintf(md, "%s-%p", lprof->lp_md, cfg->cfg_instance);
/* connections, registrations, sb setup */
err = client_common_fill_super(sb, md, dt, mnt);
out_free:
if (md)
- OBD_FREE(md, strlen(md) + 1);
+ OBD_FREE(md, strlen(lprof->lp_md) + instlen + 2);
if (dt)
- OBD_FREE(dt, strlen(dt) + 1);
+ OBD_FREE(dt, strlen(lprof->lp_dt) + instlen + 2);
if (err)
ll_put_super(sb);
else
LCONSOLE_WARN("Client %s has started\n", profilenm);
+ OBD_FREE_PTR(cfg);
RETURN(err);
} /* ll_fill_super */
void ll_put_super(struct super_block *sb)
{
struct config_llog_instance cfg;
- char ll_instance[sizeof(sb) * 2 + 1];
struct obd_device *obd;
struct lustre_sb_info *lsi = s2lsi(sb);
struct ll_sb_info *sbi = ll_s2sbi(sb);
ll_print_capa_stat(sbi);
- sprintf(ll_instance, "%p", sb);
- cfg.cfg_instance = ll_instance;
- lustre_end_log(sb, NULL, &cfg);
+ cfg.cfg_instance = sb;
+ lustre_end_log(sb, profilenm, &cfg);
if (sbi->ll_md_exp) {
obd = class_exp2obd(sbi->ll_md_exp);
cl_env_cache_purge(~0);
- LCONSOLE_WARN("client %s umount complete\n", ll_instance);
+ LCONSOLE_WARN("client %p umount complete\n", cfg.cfg_instance);
cfs_module_put(THIS_MODULE);
if (S_ISDIR(inode->i_mode)) {
/* these should have been cleared in ll_file_release */
- LASSERT(lli->lli_sai == NULL);
LASSERT(lli->lli_opendir_key == NULL);
+ LASSERT(lli->lli_sai == NULL);
LASSERT(lli->lli_opendir_pid == 0);
}
if (lli->lli_mds_read_och)
ll_md_real_close(inode, FMODE_READ);
- if (lli->lli_symlink_name) {
+ if (S_ISLNK(inode->i_mode) && lli->lli_symlink_name) {
OBD_FREE(lli->lli_symlink_name,
strlen(lli->lli_symlink_name) + 1);
lli->lli_symlink_name = NULL;
lli->lli_inode_magic = LLI_INODE_DEAD;
ll_clear_inode_capas(inode);
+ if (!S_ISDIR(inode->i_mode))
+ LASSERT(cfs_list_empty(&lli->lli_agl_list));
+
/*
* XXX This has to be done before lsm is freed below, because
* cl_object still uses inode lsm.
EXIT;
}
-int ll_md_setattr(struct inode *inode, struct md_op_data *op_data,
+int ll_md_setattr(struct dentry *dentry, struct md_op_data *op_data,
struct md_open_data **mod)
{
struct lustre_md md;
+ struct inode *inode = dentry->d_inode;
struct ll_sb_info *sbi = ll_i2sbi(inode);
struct ptlrpc_request *request = NULL;
int rc;
* Pretend we done everything. */
if (!S_ISREG(inode->i_mode) &&
!S_ISDIR(inode->i_mode))
- rc = inode_setattr(inode, &op_data->op_attr);
+ rc = simple_setattr(dentry, &op_data->op_attr);
} else if (rc != -EPERM && rc != -EACCES && rc != -ETXTBSY) {
CERROR("md_setattr fails: rc = %d\n", rc);
}
* above to avoid invoking vmtruncate, otherwise it is important
* to call vmtruncate in inode_setattr to update inode->i_size
* (bug 6196) */
- rc = inode_setattr(inode, &op_data->op_attr);
+ rc = simple_setattr(dentry, &op_data->op_attr);
/* Extract epoch data if obtained. */
op_data->op_handle = md.body->handle;
* I don't believe it is possible to get e.g. ATTR_MTIME_SET and ATTR_SIZE
* at the same time.
*/
-int ll_setattr_raw(struct inode *inode, struct iattr *attr)
+int ll_setattr_raw(struct dentry *dentry, struct iattr *attr)
{
+ struct inode *inode = dentry->d_inode;
struct ll_inode_info *lli = ll_i2info(inode);
struct lov_stripe_md *lsm = lli->lli_smd;
struct md_op_data *op_data = NULL;
UNLOCK_INODE_MUTEX(inode);
if (ia_valid & ATTR_SIZE)
UP_WRITE_I_ALLOC_SEM(inode);
- cfs_down_write(&lli->lli_trunc_sem);
+ if (!S_ISDIR(inode->i_mode))
+ cfs_down_write(&lli->lli_trunc_sem);
LOCK_INODE_MUTEX(inode);
if (ia_valid & ATTR_SIZE)
DOWN_WRITE_I_ALLOC_SEM(inode);
(ia_valid & (ATTR_SIZE | ATTR_MTIME | ATTR_MTIME_SET)))
op_data->op_flags = MF_EPOCH_OPEN;
- rc = ll_md_setattr(inode, op_data, &mod);
+ rc = ll_md_setattr(dentry, op_data, &mod);
if (rc)
GOTO(out, rc);
rc1 = ll_setattr_done_writing(inode, op_data, mod);
ll_finish_md_op_data(op_data);
}
- cfs_up_write(&lli->lli_trunc_sem);
+ if (!S_ISDIR(inode->i_mode))
+ cfs_up_write(&lli->lli_trunc_sem);
return rc ? rc : rc1;
}
!(attr->ia_valid & ATTR_KILL_SGID))
attr->ia_valid |= ATTR_KILL_SGID;
- return ll_setattr_raw(de->d_inode, attr);
+ return ll_setattr_raw(de, attr);
}
int ll_statfs_internal(struct super_block *sb, struct obd_statfs *osfs,
struct ll_inode_info *lli;
struct lov_stripe_md *lsm;
+ LASSERT(!S_ISDIR(inode->i_mode));
+
lli = ll_i2info(inode);
LASSERT(lli->lli_size_sem_owner != current);
cfs_down(&lli->lli_size_sem);
LASSERT ((lsm != NULL) == ((body->valid & OBD_MD_FLEASIZE) != 0));
if (lsm != NULL) {
+ LASSERT(S_ISREG(inode->i_mode));
+
cfs_down(&lli->lli_och_sem);
if (lli->lli_smd == NULL) {
if (lsm->lsm_magic != LOV_MAGIC_V1 &&
}
CDEBUG(D_INODE, "adding lsm %p to inode %lu/%u(%p)\n",
lsm, inode->i_ino, inode->i_generation, inode);
- /* cl_inode_init must go before lli_smd or a race is
- * possible where client thinks the file has stripes,
+ /* cl_file_inode_init must go before lli_smd or a race
+ * is possible where client thinks the file has stripes,
* but lov raid0 is not setup yet and parallel e.g.
* glimpse would try to use uninitialized lov */
- cl_inode_init(inode, md);
+ cl_file_inode_init(inode, md);
cfs_spin_lock(&lli->lli_lock);
lli->lli_smd = lsm;
cfs_spin_unlock(&lli->lli_lock);
if (lli->lli_flags & (LLIF_DONE_WRITING |
LLIF_EPOCH_PENDING |
LLIF_SOM_DIRTY)) {
- CERROR("ino %lu flags %lu still has "
+ CERROR("ino %lu flags %u still has "
"size authority! do not trust "
"the size got from MDS\n",
inode->i_ino, lli->lli_flags);
} else {
/* Use old size assignment to avoid
* deadlock bz14138 & bz14326 */
- inode->i_size = body->size;
+ i_size_write(inode, body->size);
lli->lli_flags |= LLIF_MDS_SIZE_LOCK;
}
ldlm_lock_decref(&lockh, mode);
} else {
/* Use old size assignment to avoid
* deadlock bz14138 & bz14326 */
- inode->i_size = body->size;
+ i_size_write(inode, body->size);
CDEBUG(D_VFSTRACE, "inode=%lu, updating i_size %llu\n",
inode->i_ino, (unsigned long long)body->size);
struct ll_inode_info *lli = ll_i2info(inode);
ENTRY;
- CDEBUG(D_VFSTRACE, "VFS Op:inode=%lu/%u(%p)\n",
- inode->i_ino, inode->i_generation, inode);
-
- ll_lli_init(lli);
+ CDEBUG(D_VFSTRACE, "VFS Op:inode="DFID"(%p)\n",
+ PFID(&lli->lli_fid), inode);
LASSERT(!lli->lli_smd);
}
/* Workaround end */
+#ifdef HAVE_SBOPS_EVICT_INODE
+ ll_clear_inode(inode);
+ end_writeback(inode);
+#else
clear_inode(inode);
+#endif
EXIT;
}
op_data = ll_prep_md_op_data(NULL, inode, NULL, NULL,
0, 0, LUSTRE_OPC_ANY,
NULL);
- if (op_data == NULL)
- RETURN(-ENOMEM);
+ if (IS_ERR(op_data))
+ RETURN(PTR_ERR(op_data));
op_data->op_valid = OBD_MD_FLFLAGS;
rc = md_getattr(sbi->ll_md_exp, op_data, &req);
LASSERT(*inode || sb);
sbi = sb ? ll_s2sbi(sb) : ll_i2sbi(*inode);
- memset(&md, 0, sizeof(struct lustre_md));
-
rc = md_get_lustre_md(sbi->ll_md_exp, req, sbi->ll_dt_exp,
sbi->ll_md_exp, &md);
if (rc)
GOTO(out_statfs, rc = -EINVAL);
memcpy(&type, data->ioc_inlbuf1, sizeof(__u32));
- if (type == LL_STATFS_MDC)
+ if (type == LL_STATFS_LMV)
exp = sbi->ll_md_exp;
else if (type == LL_STATFS_LOV)
exp = sbi->ll_dt_exp;
RETURN(0);
}
+
+/**
+ * Get obd name by cmd, and copy out to user space
+ */
+int ll_get_obd_name(struct inode *inode, unsigned int cmd, unsigned long arg)
+{
+ struct ll_sb_info *sbi = ll_i2sbi(inode);
+ struct obd_device *obd;
+ ENTRY;
+
+ if (cmd == OBD_IOC_GETDTNAME)
+ obd = class_exp2obd(sbi->ll_dt_exp);
+ else if (cmd == OBD_IOC_GETMDNAME)
+ obd = class_exp2obd(sbi->ll_md_exp);
+ else
+ RETURN(-EINVAL);
+
+ if (!obd)
+ RETURN(-ENOENT);
+
+ if (cfs_copy_to_user((void *)arg, obd->obd_name,
+ strlen(obd->obd_name) + 1))
+ RETURN(-EFAULT);
+
+ RETURN(0);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff