Btrfs: Retry metadata reads in the face of checksum failures
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 9d2991d..8d6b8a1 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -27,7 +27,8 @@
struct extent_io_ops {
int (*fill_delalloc)(struct inode *inode, u64 start, u64 end);
int (*writepage_io_hook)(struct page *page, u64 start, u64 end);
- int (*submit_bio_hook)(struct inode *inode, int rw, struct bio *bio);
+ int (*submit_bio_hook)(struct inode *inode, int rw, struct bio *bio,
+ int mirror_num);
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);
@@ -172,7 +173,7 @@
void free_extent_buffer(struct extent_buffer *eb);
int read_extent_buffer_pages(struct extent_io_tree *tree,
struct extent_buffer *eb, u64 start, int wait,
- get_extent_t *get_extent);
+ get_extent_t *get_extent, int mirror_num);
static inline void extent_buffer_get(struct extent_buffer *eb)
{
