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ocfs2: local mounts 

This allows users to format an ocfs2 file system with a special flag,
OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT. When the file system sees this flag, it
will not use any cluster services, nor will it require a cluster
configuration, thus acting like a 'local' file system.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
This commit is contained in:
Sunil Mushran 2006-12-05 17:56:35 -08:00 committed by Mark Fasheh
parent c99767974e
commit c271c5c22b
11 changed files with 193 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

79
fs/ocfs2/dlmglue.c
View File

@ -770,7 +770,7 @@ static int ocfs2_lock_create(struct ocfs2_super *osb,
int dlm_flags)
{
int ret = 0;
enum dlm_status status;
enum dlm_status status = DLM_NORMAL;
unsigned long flags;
mlog_entry_void();
@ -1138,6 +1138,7 @@ int ocfs2_rw_lock(struct inode *inode, int write)
{
int status, level;
struct ocfs2_lock_res *lockres;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
BUG_ON(!inode);
@ -1147,6 +1148,9 @@ int ocfs2_rw_lock(struct inode *inode, int write)
(unsigned long long)OCFS2_I(inode)->ip_blkno,
write ? "EXMODE" : "PRMODE");
if (ocfs2_mount_local(osb))
return 0;
lockres = &OCFS2_I(inode)->ip_rw_lockres;
level = write ? LKM_EXMODE : LKM_PRMODE;
@ -1164,6 +1168,7 @@ void ocfs2_rw_unlock(struct inode *inode, int write)
{
int level = write ? LKM_EXMODE : LKM_PRMODE;
struct ocfs2_lock_res *lockres = &OCFS2_I(inode)->ip_rw_lockres;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
mlog_entry_void();
@ -1171,7 +1176,8 @@ void ocfs2_rw_unlock(struct inode *inode, int write)
(unsigned long long)OCFS2_I(inode)->ip_blkno,
write ? "EXMODE" : "PRMODE");
ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level);
if (!ocfs2_mount_local(osb))
ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level);
mlog_exit_void();
}
@ -1182,6 +1188,7 @@ int ocfs2_data_lock_full(struct inode *inode,
{
int status = 0, level;
struct ocfs2_lock_res *lockres;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
BUG_ON(!inode);
@ -1201,6 +1208,9 @@ int ocfs2_data_lock_full(struct inode *inode,
goto out;
}
if (ocfs2_mount_local(osb))
goto out;
lockres = &OCFS2_I(inode)->ip_data_lockres;
level = write ? LKM_EXMODE : LKM_PRMODE;
@ -1269,6 +1279,7 @@ void ocfs2_data_unlock(struct inode *inode,
{
int level = write ? LKM_EXMODE : LKM_PRMODE;
struct ocfs2_lock_res *lockres = &OCFS2_I(inode)->ip_data_lockres;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
mlog_entry_void();
@ -1276,7 +1287,8 @@ void ocfs2_data_unlock(struct inode *inode,
(unsigned long long)OCFS2_I(inode)->ip_blkno,
write ? "EXMODE" : "PRMODE");
if (!ocfs2_is_hard_readonly(OCFS2_SB(inode->i_sb)))
if (!ocfs2_is_hard_readonly(OCFS2_SB(inode->i_sb)) &&
!ocfs2_mount_local(osb))
ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level);
mlog_exit_void();
@ -1467,8 +1479,9 @@ static int ocfs2_meta_lock_update(struct inode *inode,
{
int status = 0;
struct ocfs2_inode_info *oi = OCFS2_I(inode);
struct ocfs2_lock_res *lockres;
struct ocfs2_lock_res *lockres = NULL;
struct ocfs2_dinode *fe;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
mlog_entry_void();
@ -1483,10 +1496,12 @@ static int ocfs2_meta_lock_update(struct inode *inode,
}
spin_unlock(&oi->ip_lock);
lockres = &oi->ip_meta_lockres;
if (!ocfs2_mount_local(osb)) {
lockres = &oi->ip_meta_lockres;
if (!ocfs2_should_refresh_lock_res(lockres))
goto bail;
if (!ocfs2_should_refresh_lock_res(lockres))
goto bail;
}
/* This will discard any caching information we might have had
* for the inode metadata. */
@ -1496,7 +1511,7 @@ static int ocfs2_meta_lock_update(struct inode *inode,
* map (directories, bitmap files, etc) */
ocfs2_extent_map_trunc(inode, 0);
if (ocfs2_meta_lvb_is_trustable(inode, lockres)) {
if (lockres && ocfs2_meta_lvb_is_trustable(inode, lockres)) {
mlog(0, "Trusting LVB on inode %llu\n",
(unsigned long long)oi->ip_blkno);
ocfs2_refresh_inode_from_lvb(inode);
@ -1543,7 +1558,8 @@ static int ocfs2_meta_lock_update(struct inode *inode,
status = 0;
bail_refresh:
ocfs2_complete_lock_res_refresh(lockres, status);
if (lockres)
ocfs2_complete_lock_res_refresh(lockres, status);
bail:
mlog_exit(status);
return status;
@ -1585,7 +1601,7 @@ int ocfs2_meta_lock_full(struct inode *inode,
int arg_flags)
{
int status, level, dlm_flags, acquired;
struct ocfs2_lock_res *lockres;
struct ocfs2_lock_res *lockres = NULL;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct buffer_head *local_bh = NULL;
@ -1607,6 +1623,9 @@ int ocfs2_meta_lock_full(struct inode *inode,
goto bail;
}
if (ocfs2_mount_local(osb))
goto local;
if (!(arg_flags & OCFS2_META_LOCK_RECOVERY))
wait_event(osb->recovery_event,
ocfs2_node_map_is_empty(osb, &osb->recovery_map));
@ -1636,6 +1655,7 @@ int ocfs2_meta_lock_full(struct inode *inode,
wait_event(osb->recovery_event,
ocfs2_node_map_is_empty(osb, &osb->recovery_map));
local:
/*
* We only see this flag if we're being called from
* ocfs2_read_locked_inode(). It means we're locking an inode
@ -1644,7 +1664,8 @@ int ocfs2_meta_lock_full(struct inode *inode,
*/
if (inode->i_state & I_NEW) {
status = 0;
ocfs2_complete_lock_res_refresh(lockres, 0);
if (lockres)
ocfs2_complete_lock_res_refresh(lockres, 0);
goto bail;
}
@ -1767,6 +1788,7 @@ void ocfs2_meta_unlock(struct inode *inode,
{
int level = ex ? LKM_EXMODE : LKM_PRMODE;
struct ocfs2_lock_res *lockres = &OCFS2_I(inode)->ip_meta_lockres;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
mlog_entry_void();
@ -1774,7 +1796,8 @@ void ocfs2_meta_unlock(struct inode *inode,
(unsigned long long)OCFS2_I(inode)->ip_blkno,
ex ? "EXMODE" : "PRMODE");
if (!ocfs2_is_hard_readonly(OCFS2_SB(inode->i_sb)))
if (!ocfs2_is_hard_readonly(OCFS2_SB(inode->i_sb)) &&
!ocfs2_mount_local(osb))
ocfs2_cluster_unlock(OCFS2_SB(inode->i_sb), lockres, level);
mlog_exit_void();
@ -1783,7 +1806,7 @@ void ocfs2_meta_unlock(struct inode *inode,
int ocfs2_super_lock(struct ocfs2_super *osb,
int ex)
{
int status;
int status = 0;
int level = ex ? LKM_EXMODE : LKM_PRMODE;
struct ocfs2_lock_res *lockres = &osb->osb_super_lockres;
struct buffer_head *bh;
@ -1794,6 +1817,9 @@ int ocfs2_super_lock(struct ocfs2_super *osb,
if (ocfs2_is_hard_readonly(osb))
return -EROFS;
if (ocfs2_mount_local(osb))
goto bail;
status = ocfs2_cluster_lock(osb, lockres, level, 0, 0);
if (status < 0) {
mlog_errno(status);
@ -1832,7 +1858,8 @@ void ocfs2_super_unlock(struct ocfs2_super *osb,
int level = ex ? LKM_EXMODE : LKM_PRMODE;
struct ocfs2_lock_res *lockres = &osb->osb_super_lockres;
ocfs2_cluster_unlock(osb, lockres, level);
if (!ocfs2_mount_local(osb))
ocfs2_cluster_unlock(osb, lockres, level);
}
int ocfs2_rename_lock(struct ocfs2_super *osb)
@ -1843,6 +1870,9 @@ int ocfs2_rename_lock(struct ocfs2_super *osb)
if (ocfs2_is_hard_readonly(osb))
return -EROFS;
if (ocfs2_mount_local(osb))
return 0;
status = ocfs2_cluster_lock(osb, lockres, LKM_EXMODE, 0, 0);
if (status < 0)
mlog_errno(status);
@ -1854,7 +1884,8 @@ void ocfs2_rename_unlock(struct ocfs2_super *osb)
{
struct ocfs2_lock_res *lockres = &osb->osb_rename_lockres;
ocfs2_cluster_unlock(osb, lockres, LKM_EXMODE);
if (!ocfs2_mount_local(osb))
ocfs2_cluster_unlock(osb, lockres, LKM_EXMODE);
}
int ocfs2_dentry_lock(struct dentry *dentry, int ex)
@ -1869,6 +1900,9 @@ int ocfs2_dentry_lock(struct dentry *dentry, int ex)
if (ocfs2_is_hard_readonly(osb))
return -EROFS;
if (ocfs2_mount_local(osb))
return 0;
ret = ocfs2_cluster_lock(osb, &dl->dl_lockres, level, 0, 0);
if (ret < 0)
mlog_errno(ret);
@ -1882,7 +1916,8 @@ void ocfs2_dentry_unlock(struct dentry *dentry, int ex)
struct ocfs2_dentry_lock *dl = dentry->d_fsdata;
struct ocfs2_super *osb = OCFS2_SB(dentry->d_sb);
ocfs2_cluster_unlock(osb, &dl->dl_lockres, level);
if (!ocfs2_mount_local(osb))
ocfs2_cluster_unlock(osb, &dl->dl_lockres, level);
}
/* Reference counting of the dlm debug structure. We want this because
@ -2145,12 +2180,15 @@ static void ocfs2_dlm_shutdown_debug(struct ocfs2_super *osb)
int ocfs2_dlm_init(struct ocfs2_super *osb)
{
int status;
int status = 0;
u32 dlm_key;
struct dlm_ctxt *dlm;
struct dlm_ctxt *dlm = NULL;
mlog_entry_void();
if (ocfs2_mount_local(osb))
goto local;
status = ocfs2_dlm_init_debug(osb);
if (status < 0) {
mlog_errno(status);
@ -2178,11 +2216,12 @@ int ocfs2_dlm_init(struct ocfs2_super *osb)
goto bail;
}
dlm_register_eviction_cb(dlm, &osb->osb_eviction_cb);
local:
ocfs2_super_lock_res_init(&osb->osb_super_lockres, osb);
ocfs2_rename_lock_res_init(&osb->osb_rename_lockres, osb);
dlm_register_eviction_cb(dlm, &osb->osb_eviction_cb);
osb->dlm = dlm;
status = 0;

9
fs/ocfs2/heartbeat.c
View File

@ -154,6 +154,9 @@ int ocfs2_register_hb_callbacks(struct ocfs2_super *osb)
{
int status;
if (ocfs2_mount_local(osb))
return 0;
status = o2hb_register_callback(&osb->osb_hb_down);
if (status < 0) {
mlog_errno(status);
@ -172,6 +175,9 @@ void ocfs2_clear_hb_callbacks(struct ocfs2_super *osb)
{
int status;
if (ocfs2_mount_local(osb))
return;
status = o2hb_unregister_callback(&osb->osb_hb_down);
if (status < 0)
mlog_errno(status);
@ -186,6 +192,9 @@ void ocfs2_stop_heartbeat(struct ocfs2_super *osb)
int ret;
char *argv[5], *envp[3];
if (ocfs2_mount_local(osb))
return;
if (!osb->uuid_str) {
/* This can happen if we don't get far enough in mount... */
mlog(0, "No UUID with which to stop heartbeat!\n\n");

3
fs/ocfs2/inode.c
View File

@ -423,7 +423,8 @@ static int ocfs2_read_locked_inode(struct inode *inode,
* cluster lock before trusting anything anyway.
*/
can_lock = !(args->fi_flags & OCFS2_FI_FLAG_SYSFILE)
&& !(args->fi_flags & OCFS2_FI_FLAG_NOLOCK);
&& !(args->fi_flags & OCFS2_FI_FLAG_NOLOCK)
&& !ocfs2_mount_local(osb);
/*
* To maintain backwards compatibility with older versions of

46
fs/ocfs2/journal.c
View File

@ -144,8 +144,10 @@ handle_t *ocfs2_start_trans(struct ocfs2_super *osb, int max_buffs)
ocfs2_abort(osb->sb, "Detected aborted journal");
handle = ERR_PTR(-EROFS);
}
} else
atomic_inc(&(osb->journal->j_num_trans));
} else {
if (!ocfs2_mount_local(osb))
atomic_inc(&(osb->journal->j_num_trans));
}
return handle;
}
@ -507,9 +509,23 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb)
BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0);
status = ocfs2_journal_toggle_dirty(osb, 0);
if (status < 0)
mlog_errno(status);
if (ocfs2_mount_local(osb)) {
journal_lock_updates(journal->j_journal);
status = journal_flush(journal->j_journal);
journal_unlock_updates(journal->j_journal);
if (status < 0)
mlog_errno(status);
}
if (status == 0) {
/*
* Do not toggle if flush was unsuccessful otherwise
* will leave dirty metadata in a "clean" journal
*/
status = ocfs2_journal_toggle_dirty(osb, 0);
if (status < 0)
mlog_errno(status);
}
/* Shutdown the kernel journal system */
journal_destroy(journal->j_journal);
@ -549,7 +565,7 @@ static void ocfs2_clear_journal_error(struct super_block *sb,
}
}
int ocfs2_journal_load(struct ocfs2_journal *journal)
int ocfs2_journal_load(struct ocfs2_journal *journal, int local)
{
int status = 0;
struct ocfs2_super *osb;
@ -576,14 +592,18 @@ int ocfs2_journal_load(struct ocfs2_journal *journal)
}
/* Launch the commit thread */
osb->commit_task = kthread_run(ocfs2_commit_thread, osb, "ocfs2cmt");
if (IS_ERR(osb->commit_task)) {
status = PTR_ERR(osb->commit_task);
if (!local) {
osb->commit_task = kthread_run(ocfs2_commit_thread, osb,
"ocfs2cmt");
if (IS_ERR(osb->commit_task)) {
status = PTR_ERR(osb->commit_task);
osb->commit_task = NULL;
mlog(ML_ERROR, "unable to launch ocfs2commit thread, "
"error=%d", status);
goto done;
}
} else
osb->commit_task = NULL;
mlog(ML_ERROR, "unable to launch ocfs2commit thread, error=%d",
status);
goto done;
}
done:
mlog_exit(status);

5
fs/ocfs2/journal.h
View File

@ -157,7 +157,7 @@ int ocfs2_journal_init(struct ocfs2_journal *journal,
void ocfs2_journal_shutdown(struct ocfs2_super *osb);
int ocfs2_journal_wipe(struct ocfs2_journal *journal,
int full);
int ocfs2_journal_load(struct ocfs2_journal *journal);
int ocfs2_journal_load(struct ocfs2_journal *journal, int local);
int ocfs2_check_journals_nolocks(struct ocfs2_super *osb);
void ocfs2_recovery_thread(struct ocfs2_super *osb,
int node_num);
@ -174,6 +174,9 @@ static inline void ocfs2_checkpoint_inode(struct inode *inode)
{
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
if (ocfs2_mount_local(osb))
return;
if (!ocfs2_inode_fully_checkpointed(inode)) {
/* WARNING: This only kicks off a single
* checkpoint. If someone races you and adds more

6
fs/ocfs2/mmap.c
View File

@ -83,10 +83,12 @@ static struct vm_operations_struct ocfs2_file_vm_ops = {
int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
{
int ret = 0, lock_level = 0;
struct ocfs2_super *osb = OCFS2_SB(file->f_dentry->d_inode->i_sb);
/* We don't want to support shared writable mappings yet. */
if (((vma->vm_flags & VM_SHARED) || (vma->vm_flags & VM_MAYSHARE))
&& ((vma->vm_flags & VM_WRITE) || (vma->vm_flags & VM_MAYWRITE))) {
if (!ocfs2_mount_local(osb) &&
((vma->vm_flags & VM_SHARED) || (vma->vm_flags & VM_MAYSHARE)) &&
((vma->vm_flags & VM_WRITE) || (vma->vm_flags & VM_MAYWRITE))) {
mlog(0, "disallow shared writable mmaps %lx\n", vma->vm_flags);
/* This is -EINVAL because generic_file_readonly_mmap
* returns it in a similar situation. */

8
fs/ocfs2/namei.c
View File

@ -587,9 +587,11 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb,
}
ocfs2_inode_set_new(osb, inode);
status = ocfs2_create_new_inode_locks(inode);
if (status < 0)
mlog_errno(status);
if (!ocfs2_mount_local(osb)) {
status = ocfs2_create_new_inode_locks(inode);
if (status < 0)
mlog_errno(status);
}
status = 0; /* error in ocfs2_create_new_inode_locks is not
* critical */

5
fs/ocfs2/ocfs2.h
View File

@ -349,6 +349,11 @@ static inline int ocfs2_is_soft_readonly(struct ocfs2_super *osb)
return ret;
}
static inline int ocfs2_mount_local(struct ocfs2_super *osb)
{
return (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT);
}
#define OCFS2_IS_VALID_DINODE(ptr) \
(!strcmp((ptr)->i_signature, OCFS2_INODE_SIGNATURE))

5
fs/ocfs2/ocfs2_fs.h
View File

@ -86,7 +86,7 @@
OCFS2_SB(sb)->s_feature_incompat &= ~(mask)
#define OCFS2_FEATURE_COMPAT_SUPP 0
#define OCFS2_FEATURE_INCOMPAT_SUPP 0
#define OCFS2_FEATURE_INCOMPAT_SUPP OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT
#define OCFS2_FEATURE_RO_COMPAT_SUPP 0
/*
@ -97,6 +97,9 @@
#define OCFS2_FEATURE_INCOMPAT_HEARTBEAT_DEV 0x0002
/* Used to denote a non-clustered volume */
#define OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT 0x0008
/*
* Flags on ocfs2_dinode.i_flags
*/

90
fs/ocfs2/super.c
View File

@ -508,6 +508,27 @@ bail:
return status;
}
static int ocfs2_verify_heartbeat(struct ocfs2_super *osb)
{
if (ocfs2_mount_local(osb)) {
if (osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL) {
mlog(ML_ERROR, "Cannot heartbeat on a locally "
"mounted device.\n");
return -EINVAL;
}
}
if (!(osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL)) {
if (!ocfs2_mount_local(osb) && !ocfs2_is_hard_readonly(osb)) {
mlog(ML_ERROR, "Heartbeat has to be started to mount "
"a read-write clustered device.\n");
return -EINVAL;
}
}
return 0;
}
static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
{
struct dentry *root;
@ -516,16 +537,24 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
struct inode *inode = NULL;
struct ocfs2_super *osb = NULL;
struct buffer_head *bh = NULL;
char nodestr[8];
mlog_entry("%p, %p, %i", sb, data, silent);
/* for now we only have one cluster/node, make sure we see it
* in the heartbeat universe */
if (!o2hb_check_local_node_heartbeating()) {
if (!ocfs2_parse_options(sb, data, &parsed_opt, 0)) {
status = -EINVAL;
goto read_super_error;
}
/* for now we only have one cluster/node, make sure we see it
* in the heartbeat universe */
if (parsed_opt & OCFS2_MOUNT_HB_LOCAL) {
if (!o2hb_check_local_node_heartbeating()) {
status = -EINVAL;
goto read_super_error;
}
}
/* probe for superblock */
status = ocfs2_sb_probe(sb, &bh, &sector_size);
if (status < 0) {
@ -541,11 +570,6 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
}
brelse(bh);
bh = NULL;
if (!ocfs2_parse_options(sb, data, &parsed_opt, 0)) {
status = -EINVAL;
goto read_super_error;
}
osb->s_mount_opt = parsed_opt;
sb->s_magic = OCFS2_SUPER_MAGIC;
@ -588,21 +612,16 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
}
if (!ocfs2_is_hard_readonly(osb)) {
/* If this isn't a hard readonly mount, then we need
* to make sure that heartbeat is in a valid state,
* and that we mark ourselves soft readonly is -oro
* was specified. */
if (!(osb->s_mount_opt & OCFS2_MOUNT_HB_LOCAL)) {
mlog(ML_ERROR, "No heartbeat for device (%s)\n",
sb->s_id);
status = -EINVAL;
goto read_super_error;
}
if (sb->s_flags & MS_RDONLY)
ocfs2_set_ro_flag(osb, 0);
}
status = ocfs2_verify_heartbeat(osb);
if (status < 0) {
mlog_errno(status);
goto read_super_error;
}
osb->osb_debug_root = debugfs_create_dir(osb->uuid_str,
ocfs2_debugfs_root);
if (!osb->osb_debug_root) {
@ -635,9 +654,14 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
ocfs2_complete_mount_recovery(osb);
printk(KERN_INFO "ocfs2: Mounting device (%s) on (node %d, slot %d) "
if (ocfs2_mount_local(osb))
snprintf(nodestr, sizeof(nodestr), "local");
else
snprintf(nodestr, sizeof(nodestr), "%d", osb->node_num);
printk(KERN_INFO "ocfs2: Mounting device (%s) on (node %s, slot %d) "
"with %s data mode.\n",
osb->dev_str, osb->node_num, osb->slot_num,
osb->dev_str, nodestr, osb->slot_num,
osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK ? "writeback" :
"ordered");
@ -999,7 +1023,11 @@ static int ocfs2_fill_local_node_info(struct ocfs2_super *osb)
/* XXX hold a ref on the node while mounte? easy enough, if
* desirable. */
osb->node_num = o2nm_this_node();
if (ocfs2_mount_local(osb))
osb->node_num = 0;
else
osb->node_num = o2nm_this_node();
if (osb->node_num == O2NM_MAX_NODES) {
mlog(ML_ERROR, "could not find this host's node number\n");
status = -ENOENT;
@ -1084,6 +1112,9 @@ static int ocfs2_mount_volume(struct super_block *sb)
goto leave;
}
if (ocfs2_mount_local(osb))
goto leave;
/* This should be sent *after* we recovered our journal as it
* will cause other nodes to unmark us as needing
* recovery. However, we need to send it *before* dropping the
@ -1114,6 +1145,7 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
{
int tmp;
struct ocfs2_super *osb = NULL;
char nodestr[8];
mlog_entry("(0x%p)\n", sb);
@ -1177,8 +1209,13 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
atomic_set(&osb->vol_state, VOLUME_DISMOUNTED);
printk(KERN_INFO "ocfs2: Unmounting device (%s) on (node %d)\n",
osb->dev_str, osb->node_num);
if (ocfs2_mount_local(osb))
snprintf(nodestr, sizeof(nodestr), "local");
else
snprintf(nodestr, sizeof(nodestr), "%d", osb->node_num);
printk(KERN_INFO "ocfs2: Unmounting device (%s) on (node %s)\n",
osb->dev_str, nodestr);
ocfs2_delete_osb(osb);
kfree(osb);
@ -1536,6 +1573,7 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
{
int status = 0;
int dirty;
int local;
struct ocfs2_dinode *local_alloc = NULL; /* only used if we
* recover
* ourselves. */
@ -1563,8 +1601,10 @@ static int ocfs2_check_volume(struct ocfs2_super *osb)
"recovering volume.\n");
}
local = ocfs2_mount_local(osb);
/* will play back anything left in the journal. */
ocfs2_journal_load(osb->journal);
ocfs2_journal_load(osb->journal, local);
if (dirty) {
/* recover my local alloc if we didn't unmount cleanly. */

3
fs/ocfs2/vote.c
View File

@ -1000,6 +1000,9 @@ int ocfs2_register_net_handlers(struct ocfs2_super *osb)
{
int status = 0;
if (ocfs2_mount_local(osb))
return 0;
status = o2net_register_handler(OCFS2_MESSAGE_TYPE_RESPONSE,
osb->net_key,
sizeof(struct ocfs2_response_msg),