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btrfs: add missing unlocks to transaction abort paths 

Added in commit 49b25e0540
("btrfs: enhance transaction abort infrastructure")

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba 2012-04-02 18:31:37 +02:00
parent 8d082fb727
commit 871383be59
1 changed files with 5 additions and 1 deletions
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6
fs/btrfs/transaction.c
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@ -73,8 +73,10 @@ static noinline int join_transaction(struct btrfs_root *root, int nofail)
cur_trans = root->fs_info->running_transaction;
if (cur_trans) {
if (cur_trans->aborted)
if (cur_trans->aborted) {
spin_unlock(&root->fs_info->trans_lock);
return cur_trans->aborted;
}
atomic_inc(&cur_trans->use_count);
atomic_inc(&cur_trans->num_writers);
cur_trans->num_joined++;
@ -1400,6 +1402,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
ret = commit_fs_roots(trans, root);
if (ret) {
mutex_unlock(&root->fs_info->tree_log_mutex);
mutex_unlock(&root->fs_info->reloc_mutex);
goto cleanup_transaction;
}
@ -1411,6 +1414,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
ret = commit_cowonly_roots(trans, root);
if (ret) {
mutex_unlock(&root->fs_info->tree_log_mutex);
mutex_unlock(&root->fs_info->reloc_mutex);
goto cleanup_transaction;
}