#include "symlink.h"
#include "sysfile.h"
#include "uptodate.h"
-#include "vote.h"
#include "buffer_head_io.h"
u64 fi_blkno;
unsigned long fi_ino;
unsigned int fi_flags;
+ unsigned int fi_sysfile_type;
};
+static struct lock_class_key ocfs2_sysfile_lock_key[NUM_SYSTEM_INODES];
+
static int ocfs2_read_locked_inode(struct inode *inode,
struct ocfs2_find_inode_args *args);
static int ocfs2_init_locked_inode(struct inode *inode, void *opaque);
oi->ip_attr |= OCFS2_DIRSYNC_FL;
}
-struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, int flags)
+struct inode *ocfs2_iget(struct ocfs2_super *osb, u64 blkno, unsigned flags,
+ int sysfile_type)
{
struct inode *inode = NULL;
struct super_block *sb = osb->sb;
args.fi_blkno = blkno;
args.fi_flags = flags;
args.fi_ino = ino_from_blkno(sb, blkno);
+ args.fi_sysfile_type = sysfile_type;
inode = iget5_locked(sb, args.fi_ino, ocfs2_find_actor,
ocfs2_init_locked_inode, &args);
inode->i_ino = args->fi_ino;
OCFS2_I(inode)->ip_blkno = args->fi_blkno;
+ if (args->fi_sysfile_type != 0)
+ lockdep_set_class(&inode->i_mutex,
+ &ocfs2_sysfile_lock_key[args->fi_sysfile_type]);
mlog_exit(0);
return 0;
*/
BUG_ON(le32_to_cpu(fe->i_flags) & OCFS2_SYSTEM_FL);
- ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_meta_lockres,
+ ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_inode_lockres,
OCFS2_LOCK_TYPE_META, 0, inode);
ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_open_lockres,
OCFS2_LOCK_TYPE_RW, inode->i_generation,
inode);
- ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_data_lockres,
- OCFS2_LOCK_TYPE_DATA, inode->i_generation,
- inode);
-
ocfs2_set_inode_flags(inode);
status = 0;
if (args->fi_flags & OCFS2_FI_FLAG_SYSFILE)
generation = osb->fs_generation;
- ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_meta_lockres,
+ ocfs2_inode_lock_res_init(&OCFS2_I(inode)->ip_inode_lockres,
OCFS2_LOCK_TYPE_META,
generation, inode);
mlog_errno(status);
return status;
}
- status = ocfs2_meta_lock(inode, NULL, 0);
+ status = ocfs2_inode_lock(inode, NULL, 0);
if (status) {
make_bad_inode(inode);
mlog_errno(status);
status = -EINVAL;
fe = (struct ocfs2_dinode *) bh->b_data;
if (!OCFS2_IS_VALID_DINODE(fe)) {
- mlog(ML_ERROR, "Invalid dinode #%llu: signature = %.*s\n",
- (unsigned long long)le64_to_cpu(fe->i_blkno), 7,
+ mlog(0, "Invalid dinode #%llu: signature = %.*s\n",
+ (unsigned long long)args->fi_blkno, 7,
fe->i_signature);
goto bail;
}
bail:
if (can_lock)
- ocfs2_meta_unlock(inode, 0);
+ ocfs2_inode_unlock(inode, 0);
if (status < 0)
make_bad_inode(inode);
}
mutex_lock(&inode_alloc_inode->i_mutex);
- status = ocfs2_meta_lock(inode_alloc_inode, &inode_alloc_bh, 1);
+ status = ocfs2_inode_lock(inode_alloc_inode, &inode_alloc_bh, 1);
if (status < 0) {
mutex_unlock(&inode_alloc_inode->i_mutex);
}
di->i_dtime = cpu_to_le64(CURRENT_TIME.tv_sec);
- le32_and_cpu(&di->i_flags, ~(OCFS2_VALID_FL | OCFS2_ORPHANED_FL));
+ di->i_flags &= cpu_to_le32(~(OCFS2_VALID_FL | OCFS2_ORPHANED_FL));
status = ocfs2_journal_dirty(handle, di_bh);
if (status < 0) {
bail_commit:
ocfs2_commit_trans(osb, handle);
bail_unlock:
- ocfs2_meta_unlock(inode_alloc_inode, 1);
+ ocfs2_inode_unlock(inode_alloc_inode, 1);
mutex_unlock(&inode_alloc_inode->i_mutex);
brelse(inode_alloc_bh);
bail:
* delete_inode operation. We do this now to avoid races with
* recovery completion on other nodes. */
mutex_lock(&orphan_dir_inode->i_mutex);
- status = ocfs2_meta_lock(orphan_dir_inode, &orphan_dir_bh, 1);
+ status = ocfs2_inode_lock(orphan_dir_inode, &orphan_dir_bh, 1);
if (status < 0) {
mutex_unlock(&orphan_dir_inode->i_mutex);
}
/* we do this while holding the orphan dir lock because we
- * don't want recovery being run from another node to vote for
- * an inode delete on us -- this will result in two nodes
+ * don't want recovery being run from another node to try an
+ * inode delete underneath us -- this will result in two nodes
* truncating the same file! */
status = ocfs2_truncate_for_delete(osb, inode, di_bh);
if (status < 0) {
mlog_errno(status);
bail_unlock_dir:
- ocfs2_meta_unlock(orphan_dir_inode, 1);
+ ocfs2_inode_unlock(orphan_dir_inode, 1);
mutex_unlock(&orphan_dir_inode->i_mutex);
brelse(orphan_dir_bh);
bail:
}
/* There is a series of simple checks that should be done before a
- * vote is even considered. Encapsulate those in this function. */
+ * trylock is even considered. Encapsulate those in this function. */
static int ocfs2_inode_is_valid_to_delete(struct inode *inode)
{
int ret = 0;
goto bail;
}
- /* If we're coming from process_vote we can't go into our own
+ /* If we're coming from downconvert_thread we can't go into our own
* voting [hello, deadlock city!], so unforuntately we just
* have to skip deleting this guy. That's OK though because
* the node who's doing the actual deleting should handle it
* anyway. */
- if (current == osb->vote_task) {
+ if (current == osb->dc_task) {
mlog(0, "Skipping delete of %lu because we're currently "
- "in process_vote\n", inode->i_ino);
+ "in downconvert\n", inode->i_ino);
goto bail;
}
goto bail_unlock;
}
- /* If we have voted "yes" on the wipe of this inode for
- * another node, it will be marked here so we can safely skip
- * it. Recovery will cleanup any inodes we might inadvertantly
- * skip here. */
+ /* If we have allowd wipe of this inode for another node, it
+ * will be marked here so we can safely skip it. Recovery will
+ * cleanup any inodes we might inadvertantly skip here. */
if (oi->ip_flags & OCFS2_INODE_SKIP_DELETE) {
mlog(0, "Skipping delete of %lu because another node "
"has done this for us.\n", inode->i_ino);
status = ocfs2_try_open_lock(inode, 1);
if (status == -EAGAIN) {
status = 0;
- mlog(0, "Skipping delete of %llu because it is in use on"
+ mlog(0, "Skipping delete of %llu because it is in use on "
"other nodes\n", (unsigned long long)oi->ip_blkno);
goto bail;
}
/* Lock down the inode. This gives us an up to date view of
* it's metadata (for verification), and allows us to
- * serialize delete_inode votes.
+ * serialize delete_inode on multiple nodes.
*
* Even though we might be doing a truncate, we don't take the
* allocation lock here as it won't be needed - nobody will
* have the file open.
*/
- status = ocfs2_meta_lock(inode, &di_bh, 1);
+ status = ocfs2_inode_lock(inode, &di_bh, 1);
if (status < 0) {
if (status != -ENOENT)
mlog_errno(status);
* before we go ahead and wipe the inode. */
status = ocfs2_query_inode_wipe(inode, di_bh, &wipe);
if (!wipe || status < 0) {
- /* Error and inode busy vote both mean we won't be
+ /* Error and remote inode busy both mean we won't be
* removing the inode, so they take almost the same
* path. */
if (status < 0)
mlog_errno(status);
- /* Someone in the cluster has voted to not wipe this
- * inode, or it was never completely orphaned. Write
- * out the pages and exit now. */
+ /* Someone in the cluster has disallowed a wipe of
+ * this inode, or it was never completely
+ * orphaned. Write out the pages and exit now. */
ocfs2_cleanup_delete_inode(inode, 1);
goto bail_unlock_inode;
}
OCFS2_I(inode)->ip_flags |= OCFS2_INODE_DELETED;
bail_unlock_inode:
- ocfs2_meta_unlock(inode, 1);
+ ocfs2_inode_unlock(inode, 1);
brelse(di_bh);
bail_unblock:
status = sigprocmask(SIG_SETMASK, &oldset, NULL);
mlog_bug_on_msg(OCFS2_SB(inode->i_sb) == NULL,
"Inode=%lu\n", inode->i_ino);
- /* For remove delete_inode vote, we hold open lock before,
- * now it is time to unlock PR and EX open locks. */
+ /* To preven remote deletes we hold open lock before, now it
+ * is time to unlock PR and EX open locks. */
ocfs2_open_unlock(inode);
/* Do these before all the other work so that we don't bounce
- * the vote thread while waiting to destroy the locks. */
+ * the downconvert thread while waiting to destroy the locks. */
ocfs2_mark_lockres_freeing(&oi->ip_rw_lockres);
- ocfs2_mark_lockres_freeing(&oi->ip_meta_lockres);
- ocfs2_mark_lockres_freeing(&oi->ip_data_lockres);
+ ocfs2_mark_lockres_freeing(&oi->ip_inode_lockres);
ocfs2_mark_lockres_freeing(&oi->ip_open_lockres);
/* We very well may get a clear_inode before all an inodes
mlog_errno(status);
ocfs2_lock_res_free(&oi->ip_rw_lockres);
- ocfs2_lock_res_free(&oi->ip_meta_lockres);
- ocfs2_lock_res_free(&oi->ip_data_lockres);
+ ocfs2_lock_res_free(&oi->ip_inode_lockres);
ocfs2_lock_res_free(&oi->ip_open_lockres);
ocfs2_metadata_cache_purge(inode);
}
spin_unlock(&OCFS2_I(inode)->ip_lock);
- /* Let ocfs2_meta_lock do the work of updating our struct
+ /* Let ocfs2_inode_lock do the work of updating our struct
* inode for us. */
- status = ocfs2_meta_lock(inode, NULL, 0);
+ status = ocfs2_inode_lock(inode, NULL, 0);
if (status < 0) {
if (status != -ENOENT)
mlog_errno(status);
goto bail;
}
- ocfs2_meta_unlock(inode, 0);
+ ocfs2_inode_unlock(inode, 0);
bail:
mlog_exit(status);
git.samba.org / sfrench / cifs-2.6.git / blobdiff