Btrfs: Handle checksumming errors while reading data blocks

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 8d6b8a14cc30..b47859ccd78a 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -32,6 +32,9 @@ struct extent_io_ops {
         int (*merge_bio_hook)(struct page *page, unsigned long offset,
                               size_t size, struct bio *bio);
         int (*readpage_io_hook)(struct page *page, u64 start, u64 end);
+        int (*readpage_io_failed_hook)(struct bio *bio, struct page *page,
+                                       u64 start, u64 end,
+                                       struct extent_state *state);
         int (*readpage_end_io_hook)(struct page *page, u64 start, u64 end,
                                     struct extent_state *state);
         void (*writepage_end_io_hook)(struct page *page, u64 start, u64 end,