On Wed, Mar 15, 2017 at 05:02:33PM +0100, David Sterba wrote:
> We can read fs_info from eb.
Reviewed-by: Liu Bo <bo.li....@oracle.com>
Thanks,
-liubo
>
> Signed-off-by: David Sterba <dste...@suse.com>
> ---
> fs/btrfs/ctree.h | 3 +--
> fs/btrfs/disk-io.c | 4 ++--
> fs/btrfs/reada.c | 4 ++--
> 3 files changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
> index 29b7fc28c607..173fac68323a 100644
> --- a/fs/btrfs/ctree.h
> +++ b/fs/btrfs/ctree.h
> @@ -3671,8 +3671,7 @@ struct reada_control *btrfs_reada_add(struct btrfs_root
> *root,
> struct btrfs_key *start, struct btrfs_key *end);
> int btrfs_reada_wait(void *handle);
> void btrfs_reada_detach(void *handle);
> -int btree_readahead_hook(struct btrfs_fs_info *fs_info,
> - struct extent_buffer *eb, int err);
> +int btree_readahead_hook(struct extent_buffer *eb, int err);
>
> static inline int is_fstree(u64 rootid)
> {
> diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
> index 1d4c30327247..995b28179af9 100644
> --- a/fs/btrfs/disk-io.c
> +++ b/fs/btrfs/disk-io.c
> @@ -762,7 +762,7 @@ static int btree_readpage_end_io_hook(struct btrfs_io_bio
> *io_bio,
> err:
> if (reads_done &&
> test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
> - btree_readahead_hook(fs_info, eb, ret);
> + btree_readahead_hook(eb, ret);
>
> if (ret) {
> /*
> @@ -787,7 +787,7 @@ static int btree_io_failed_hook(struct page *page, int
> failed_mirror)
> eb->read_mirror = failed_mirror;
> atomic_dec(&eb->io_pages);
> if (test_and_clear_bit(EXTENT_BUFFER_READAHEAD, &eb->bflags))
> - btree_readahead_hook(eb->fs_info, eb, -EIO);
> + btree_readahead_hook(eb, -EIO);
> return -EIO; /* we fixed nothing */
> }
>
> diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
> index 4c5a9b241cab..5edf7328f67d 100644
> --- a/fs/btrfs/reada.c
> +++ b/fs/btrfs/reada.c
> @@ -209,9 +209,9 @@ static void __readahead_hook(struct btrfs_fs_info
> *fs_info,
> return;
> }
>
> -int btree_readahead_hook(struct btrfs_fs_info *fs_info,
> - struct extent_buffer *eb, int err)
> +int btree_readahead_hook(struct extent_buffer *eb, int err)
> {
> + struct btrfs_fs_info *fs_info = eb->fs_info;
> int ret = 0;
> struct reada_extent *re;
>
> --
> 2.12.0
>
> --
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