On Tue, May 09, 2017 at 11:49:08AM -0400, Jeff Layton wrote:
> Nothing checks its return value.
Reviewed-by: Liu Bo <bo.li.liu@xxxxxxxxxx>
-liubo
>
> Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> ---
> fs/btrfs/disk-io.c | 6 +++---
> fs/btrfs/disk-io.h | 2 +-
> 2 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index eb1ee7b6f532..8c479bd5534a 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -1222,10 +1222,10 @@ int btrfs_write_tree_block(struct extent_buffer *buf)
> buf->start + buf->len - 1);
> }
>
> -int btrfs_wait_tree_block_writeback(struct extent_buffer *buf)
> +void btrfs_wait_tree_block_writeback(struct extent_buffer *buf)
> {
> - return filemap_fdatawait_range(buf->pages[0]->mapping,
> - buf->start, buf->start + buf->len - 1);
> + filemap_fdatawait_range(buf->pages[0]->mapping,
> + buf->start, buf->start + buf->len - 1);
> }
>
> struct extent_buffer *read_tree_block(struct btrfs_fs_info *fs_info, u64 bytenr,
> diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
> index 2e0ec29bfd69..9cc87835abb5 100644
> --- a/fs/btrfs/disk-io.h
> +++ b/fs/btrfs/disk-io.h
> @@ -127,7 +127,7 @@ int btrfs_wq_submit_bio(struct btrfs_fs_info *fs_info, struct inode *inode,
> extent_submit_bio_hook_t *submit_bio_done);
> unsigned long btrfs_async_submit_limit(struct btrfs_fs_info *info);
> int btrfs_write_tree_block(struct extent_buffer *buf);
> -int btrfs_wait_tree_block_writeback(struct extent_buffer *buf);
> +void btrfs_wait_tree_block_writeback(struct extent_buffer *buf);
> int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans,
> struct btrfs_fs_info *fs_info);
> int btrfs_add_log_tree(struct btrfs_trans_handle *trans,
> --
> 2.9.3
>
