diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 13:27:36 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 13:27:36 -0800 |
| commit | 9f9cba810f36d16f4e64477e879a69f6c47b389d (patch) | |
| tree | d787abcbead1439d3f82f0719efe520fd9689f79 /fs/btrfs/transaction.c | |
| parent | dbf5bef8da169b38db804996a661f8d634df8295 (diff) | |
| parent | 949db153b6466c6f7cad5a427ecea94985927311 (diff) | |
Merge 3.8-rc5 into tty-next
This resolves a number of tty driver merge issues found in linux-next
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 87fac9a21ea..f15494699f3 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1468,7 +1468,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, goto cleanup_transaction; } - if (cur_trans->aborted) { + /* Stop the commit early if ->aborted is set */ + if (unlikely(ACCESS_ONCE(cur_trans->aborted))) { ret = cur_trans->aborted; goto cleanup_transaction; } @@ -1574,6 +1575,11 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, wait_event(cur_trans->writer_wait, atomic_read(&cur_trans->num_writers) == 1); + /* ->aborted might be set after the previous check, so check it */ + if (unlikely(ACCESS_ONCE(cur_trans->aborted))) { + ret = cur_trans->aborted; + goto cleanup_transaction; + } /* * the reloc mutex makes sure that we stop * the balancing code from coming in and moving @@ -1657,6 +1663,17 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, goto cleanup_transaction; } + /* + * The tasks which save the space cache and inode cache may also + * update ->aborted, check it. + */ + if (unlikely(ACCESS_ONCE(cur_trans->aborted))) { + ret = cur_trans->aborted; + mutex_unlock(&root->fs_info->tree_log_mutex); + mutex_unlock(&root->fs_info->reloc_mutex); + goto cleanup_transaction; + } + btrfs_prepare_extent_commit(trans, root); cur_trans = root->fs_info->running_transaction; |