static int __ocfs2_recovery_thread(void *arg);
static int ocfs2_commit_cache(struct ocfs2_super *osb);
static int ocfs2_wait_on_mount(struct ocfs2_super *osb);
-static void ocfs2_handle_cleanup_locks(struct ocfs2_journal *journal,
- struct ocfs2_journal_handle *handle);
-static void ocfs2_commit_unstarted_handle(struct ocfs2_journal_handle *handle);
static int ocfs2_journal_toggle_dirty(struct ocfs2_super *osb,
int dirty);
static int ocfs2_trylock_journal(struct ocfs2_super *osb,
return status;
}
-struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb)
+static struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb)
{
struct ocfs2_journal_handle *retval = NULL;
"handle!\n");
return NULL;
}
-
- retval->max_buffs = 0;
- retval->num_locks = 0;
retval->k_handle = NULL;
- INIT_LIST_HEAD(&retval->locks);
- INIT_LIST_HEAD(&retval->inode_list);
- retval->journal = osb->journal;
-
return retval;
}
goto done_free;
}
- handle->max_buffs = max_buffs;
-
down_read(&osb->journal->j_trans_barrier);
/* actually start the transaction now */
}
atomic_inc(&(osb->journal->j_num_trans));
- handle->flags |= OCFS2_HANDLE_STARTED;
mlog_exit_ptr(handle);
return handle;
done_free:
if (handle)
- ocfs2_commit_unstarted_handle(handle); /* will kfree handle */
+ kfree(handle);
mlog_exit(ret);
return ERR_PTR(ret);
}
-void ocfs2_handle_add_inode(struct ocfs2_journal_handle *handle,
- struct inode *inode)
-{
- BUG_ON(!handle);
- BUG_ON(!inode);
-
- atomic_inc(&inode->i_count);
-
- /* we're obviously changing it... */
- mutex_lock(&inode->i_mutex);
-
- /* sanity check */
- BUG_ON(OCFS2_I(inode)->ip_handle);
- BUG_ON(!list_empty(&OCFS2_I(inode)->ip_handle_list));
-
- OCFS2_I(inode)->ip_handle = handle;
- list_move_tail(&(OCFS2_I(inode)->ip_handle_list), &(handle->inode_list));
-}
-
-static void ocfs2_handle_unlock_inodes(struct ocfs2_journal_handle *handle)
-{
- struct list_head *p, *n;
- struct inode *inode;
- struct ocfs2_inode_info *oi;
-
- list_for_each_safe(p, n, &handle->inode_list) {
- oi = list_entry(p, struct ocfs2_inode_info,
- ip_handle_list);
- inode = &oi->vfs_inode;
-
- OCFS2_I(inode)->ip_handle = NULL;
- list_del_init(&OCFS2_I(inode)->ip_handle_list);
-
- mutex_unlock(&inode->i_mutex);
- iput(inode);
- }
-}
-
-/* This is trivial so we do it out of the main commit
- * paths. Beware, it can be called from start_trans too! */
-static void ocfs2_commit_unstarted_handle(struct ocfs2_journal_handle *handle)
-{
- mlog_entry_void();
-
- BUG_ON(handle->flags & OCFS2_HANDLE_STARTED);
-
- ocfs2_handle_unlock_inodes(handle);
- /* You are allowed to add journal locks before the transaction
- * has started. */
- ocfs2_handle_cleanup_locks(handle->journal, handle);
-
- kfree(handle);
-
- mlog_exit_void();
-}
-
-void ocfs2_commit_trans(struct ocfs2_journal_handle *handle)
+void ocfs2_commit_trans(struct ocfs2_super *osb,
+ struct ocfs2_journal_handle *handle)
{
handle_t *jbd_handle;
int retval;
- struct ocfs2_journal *journal = handle->journal;
+ struct ocfs2_journal *journal = osb->journal;
mlog_entry_void();
BUG_ON(!handle);
- if (!(handle->flags & OCFS2_HANDLE_STARTED)) {
- ocfs2_commit_unstarted_handle(handle);
+ if (!handle->k_handle) {
+ kfree(handle);
mlog_exit_void();
return;
}
- /* release inode semaphores we took during this transaction */
- ocfs2_handle_unlock_inodes(handle);
-
/* ocfs2_extend_trans may have had to call journal_restart
* which will always commit the transaction, but may return
* error for any number of reasons. If this is the case, we
if (handle->k_handle) {
jbd_handle = handle->k_handle;
- if (handle->flags & OCFS2_HANDLE_SYNC)
- jbd_handle->h_sync = 1;
- else
- jbd_handle->h_sync = 0;
-
/* actually stop the transaction. if we've set h_sync,
* it'll have been committed when we return */
retval = journal_stop(jbd_handle);
handle->k_handle = NULL; /* it's been free'd in journal_stop */
}
- ocfs2_handle_cleanup_locks(journal, handle);
-
up_read(&journal->j_trans_barrier);
kfree(handle);
* good because transaction ids haven't yet been recorded on the
* cluster locks associated with this handle.
*/
-int ocfs2_extend_trans(struct ocfs2_journal_handle *handle,
- int nblocks)
+int ocfs2_extend_trans(handle_t *handle, int nblocks)
{
int status;
BUG_ON(!handle);
- BUG_ON(!(handle->flags & OCFS2_HANDLE_STARTED));
BUG_ON(!nblocks);
mlog_entry_void();
mlog(0, "Trying to extend transaction by %d blocks\n", nblocks);
- status = journal_extend(handle->k_handle, nblocks);
+ status = journal_extend(handle, nblocks);
if (status < 0) {
mlog_errno(status);
goto bail;
if (status > 0) {
mlog(0, "journal_extend failed, trying journal_restart\n");
- status = journal_restart(handle->k_handle, nblocks);
+ status = journal_restart(handle, nblocks);
if (status < 0) {
- handle->k_handle = NULL;
mlog_errno(status);
goto bail;
}
- handle->max_buffs = nblocks;
- } else
- handle->max_buffs += nblocks;
+ }
status = 0;
bail:
BUG_ON(!inode);
BUG_ON(!handle);
BUG_ON(!bh);
- BUG_ON(!(handle->flags & OCFS2_HANDLE_STARTED));
mlog_entry("bh->b_blocknr=%llu, type=%d (\"%s\"), bh->b_size = %zu\n",
(unsigned long long)bh->b_blocknr, type,
{
int status;
- BUG_ON(!(handle->flags & OCFS2_HANDLE_STARTED));
-
mlog_entry("(bh->b_blocknr=%llu)\n",
(unsigned long long)bh->b_blocknr);
return err;
}
-/* We always assume you're adding a metadata lock at level 'ex' */
-int ocfs2_handle_add_lock(struct ocfs2_journal_handle *handle,
- struct inode *inode)
-{
- int status;
- struct ocfs2_journal_lock *lock;
-
- BUG_ON(!inode);
-
- lock = kmem_cache_alloc(ocfs2_lock_cache, GFP_NOFS);
- if (!lock) {
- status = -ENOMEM;
- mlog_errno(-ENOMEM);
- goto bail;
- }
-
- if (!igrab(inode))
- BUG();
- lock->jl_inode = inode;
-
- list_add_tail(&(lock->jl_lock_list), &(handle->locks));
- handle->num_locks++;
-
- status = 0;
-bail:
- mlog_exit(status);
- return status;
-}
-
-static void ocfs2_handle_cleanup_locks(struct ocfs2_journal *journal,
- struct ocfs2_journal_handle *handle)
-{
- struct list_head *p, *n;
- struct ocfs2_journal_lock *lock;
- struct inode *inode;
-
- list_for_each_safe(p, n, &(handle->locks)) {
- lock = list_entry(p, struct ocfs2_journal_lock,
- jl_lock_list);
- list_del(&lock->jl_lock_list);
- handle->num_locks--;
-
- inode = lock->jl_inode;
- ocfs2_meta_unlock(inode, 1);
- if (atomic_read(&inode->i_count) == 1)
- mlog(ML_ERROR,
- "Inode %llu, I'm doing a last iput for!",
- (unsigned long long)OCFS2_I(inode)->ip_blkno);
- iput(inode);
- kmem_cache_free(ocfs2_lock_cache, lock);
- }
-}
-
#define OCFS2_DEFAULT_COMMIT_INTERVAL (HZ * 5)
void ocfs2_set_journal_params(struct ocfs2_super *osb)
/* Skip recovery waits here - journal inode metadata never
* changes in a live cluster so it can be considered an
* exception to the rule. */
- status = ocfs2_meta_lock_full(inode, NULL, &bh, 1,
- OCFS2_META_LOCK_RECOVERY);
+ status = ocfs2_meta_lock_full(inode, &bh, 1, OCFS2_META_LOCK_RECOVERY);
if (status < 0) {
if (status != -ERESTARTSYS)
mlog(ML_ERROR, "Could not get lock on journal!\n");
}
SET_INODE_JOURNAL(inode);
- status = ocfs2_meta_lock_full(inode, NULL, &bh, 1,
- OCFS2_META_LOCK_RECOVERY);
+ status = ocfs2_meta_lock_full(inode, &bh, 1, OCFS2_META_LOCK_RECOVERY);
if (status < 0) {
mlog(0, "status returned from ocfs2_meta_lock=%d\n", status);
if (status != -ERESTARTSYS)
SET_INODE_JOURNAL(inode);
flags = OCFS2_META_LOCK_RECOVERY | OCFS2_META_LOCK_NOQUEUE;
- status = ocfs2_meta_lock_full(inode, NULL, NULL, 1, flags);
+ status = ocfs2_meta_lock_full(inode, NULL, 1, flags);
if (status < 0) {
if (status != -EAGAIN)
mlog_errno(status);
}
mutex_lock(&orphan_dir_inode->i_mutex);
- status = ocfs2_meta_lock(orphan_dir_inode, NULL, NULL, 0);
+ status = ocfs2_meta_lock(orphan_dir_inode, NULL, 0);
if (status < 0) {
mlog_errno(status);
goto out;
if (de->name_len == 2 && !strncmp("..", de->name, 2))
continue;
- iter = ocfs2_iget(osb, le64_to_cpu(de->inode));
+ iter = ocfs2_iget(osb, le64_to_cpu(de->inode),
+ OCFS2_FI_FLAG_NOLOCK);
if (IS_ERR(iter))
continue;