diff options
Diffstat (limited to 'fs/btrfs/file.c')
-rw-r--r-- | fs/btrfs/file.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 73c6d085bd90..18bbe108a0e6 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -252,7 +252,6 @@ static int noinline dirty_and_release_pages(struct btrfs_trans_handle *trans, end_of_last_block = start_pos + num_bytes - 1; lock_extent(io_tree, start_pos, end_of_last_block, GFP_NOFS); - mutex_lock(&root->fs_info->fs_mutex); trans = btrfs_start_transaction(root, 1); if (!trans) { err = -ENOMEM; @@ -341,7 +340,6 @@ static int noinline dirty_and_release_pages(struct btrfs_trans_handle *trans, failed: err = btrfs_end_transaction(trans, root); out_unlock: - mutex_unlock(&root->fs_info->fs_mutex); unlock_extent(io_tree, start_pos, end_of_last_block, GFP_NOFS); return err; } @@ -905,9 +903,7 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf, WARN_ON(num_pages > nrptrs); memset(pages, 0, sizeof(pages)); - mutex_lock(&root->fs_info->fs_mutex); ret = btrfs_check_free_space(root, write_bytes, 0); - mutex_unlock(&root->fs_info->fs_mutex); if (ret) goto out; @@ -998,9 +994,9 @@ static int btrfs_sync_file(struct file *file, * check the transaction that last modified this inode * and see if its already been committed */ - mutex_lock(&root->fs_info->fs_mutex); if (!BTRFS_I(inode)->last_trans) goto out; + mutex_lock(&root->fs_info->trans_mutex); if (BTRFS_I(inode)->last_trans <= root->fs_info->last_trans_committed) { @@ -1023,7 +1019,6 @@ static int btrfs_sync_file(struct file *file, } ret = btrfs_commit_transaction(trans, root); out: - mutex_unlock(&root->fs_info->fs_mutex); return ret > 0 ? EIO : ret; } |