btrfs: Moved repair code from inode.c to extent_io.c

[karo-tx-linux.git] / fs / btrfs / extent_io.h

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 435d454b99266982f27e1f9b384a31ed4e497fac..a8e20b6729227f4f469bc06b473fa5b7135a9be3 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -68,7 +68,7 @@ struct extent_io_ops {
                              unsigned long bio_flags);
        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,
+                                      u64 start, u64 end, u64 failed_mirror,
                                       struct extent_state *state);
        int (*writepage_io_failed_hook)(struct bio *bio, struct page *page,
                                        u64 start, u64 end,
@@ -252,6 +252,8 @@ 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, int mirror_num);
+unsigned long num_extent_pages(u64 start, u64 len);
+struct page *extent_buffer_page(struct extent_buffer *eb, unsigned long i);
 
 static inline void extent_buffer_get(struct extent_buffer *eb)
 {
@@ -301,4 +303,10 @@ int extent_clear_unlock_delalloc(struct inode *inode,
 struct bio *
 btrfs_bio_alloc(struct block_device *bdev, u64 first_sector, int nr_vecs,
                gfp_t gfp_flags);
+
+struct btrfs_mapping_tree;
+
+int repair_io_failure(struct btrfs_mapping_tree *map_tree, u64 start,
+                       u64 length, u64 logical, struct page *page,
+                       int mirror_num);
 #endif