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| author | David Sterba <dsterba@suse.com> | 2017-02-17 18:24:29 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-02-28 16:29:24 +0300 |
| commit | 20a7db8ab3f2057a518448b1728d504ffadef65e (patch) | |
| tree | 09d4f1e8acb66b0f935306cbee04b572824df95c /fs/btrfs/extent_io.h | |
| parent | 20c9801d393d9f077c476f40440b481daaccb9d6 (diff) | |
| download | linux-20a7db8ab3f2057a518448b1728d504ffadef65e.tar.xz | |
btrfs: add dummy callback for readpage_io_failed and drop checks
Make extent_io_ops::readpage_io_failed_hook callback mandatory and
define a dummy function for btrfs_extent_io_ops. As the failed IO
callback is not performance critical, the branch vs extra trade off does
not hurt.
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 1f8478dc9f8e..3e4fad4a909d 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -103,6 +103,7 @@ struct extent_io_ops { int (*merge_bio_hook)(struct page *page, unsigned long offset, size_t size, struct bio *bio, unsigned long bio_flags); + int (*readpage_io_failed_hook)(struct page *page, int failed_mirror); /* * Optional hooks, called if the pointer is not NULL @@ -110,7 +111,6 @@ struct extent_io_ops { int (*fill_delalloc)(struct inode *inode, struct page *locked_page, u64 start, u64 end, int *page_started, unsigned long *nr_written); - int (*readpage_io_failed_hook)(struct page *page, int failed_mirror); int (*writepage_start_hook)(struct page *page, u64 start, u64 end); void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end, |