btrfs: add mirror_num to extent_read_full_page

Currently, extent_read_full_page always assumes we are trying to read mirror
0, which generally is the best we can do. To add flexibility, pass it as a
parameter. This will be needed by scrub fixup code.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
This commit is contained in:
Jan Schmidt
2011-06-13 20:02:58 +02:00
parent 193ea74b27
commit 8ddc7d9cd0
4 changed files with 6 additions and 6 deletions

View File

@@ -185,7 +185,7 @@ int unlock_extent_cached(struct extent_io_tree *tree, u64 start, u64 end,
int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end,
gfp_t mask);
int extent_read_full_page(struct extent_io_tree *tree, struct page *page,
get_extent_t *get_extent);
get_extent_t *get_extent, int mirror_num);
int __init extent_io_init(void);
void extent_io_exit(void);