diff options
Diffstat (limited to 'fs/btrfs/extent_io.h')
| -rw-r--r-- | fs/btrfs/extent_io.h | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index a7a850abd600..b77d84909863 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -83,8 +83,8 @@ static inline int le_test_bit(int nr, const u8 *addr) return 1U & (addr[BIT_BYTE(nr)] >> (nr & (BITS_PER_BYTE-1))); } -extern void le_bitmap_set(u8 *map, unsigned int start, int len); -extern void le_bitmap_clear(u8 *map, unsigned int start, int len); +void le_bitmap_set(u8 *map, unsigned int start, int len); +void le_bitmap_clear(u8 *map, unsigned int start, int len); struct extent_state; struct btrfs_root; @@ -95,6 +95,13 @@ struct io_failure_record; typedef blk_status_t (extent_submit_bio_hook_t)(void *private_data, struct bio *bio, int mirror_num, unsigned long bio_flags, u64 bio_offset); + +typedef blk_status_t (extent_submit_bio_start_t)(void *private_data, + struct bio *bio, u64 bio_offset); + +typedef blk_status_t (extent_submit_bio_done_t)(void *private_data, + struct bio *bio, int mirror_num); + struct extent_io_ops { /* * The following callbacks must be allways defined, the function @@ -286,7 +293,7 @@ int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end); int extent_read_full_page(struct extent_io_tree *tree, struct page *page, get_extent_t *get_extent, int mirror_num); int __init extent_io_init(void); -void extent_io_exit(void); +void __cold extent_io_exit(void); u64 count_range_bits(struct extent_io_tree *tree, u64 *start, u64 search_end, @@ -455,6 +462,11 @@ static inline void extent_buffer_get(struct extent_buffer *eb) atomic_inc(&eb->refs); } +static inline int extent_buffer_uptodate(struct extent_buffer *eb) +{ + return test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); +} + int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv, unsigned long start, unsigned long len); void read_extent_buffer(const struct extent_buffer *eb, void *dst, @@ -489,7 +501,6 @@ void clear_extent_buffer_dirty(struct extent_buffer *eb); int set_extent_buffer_dirty(struct extent_buffer *eb); void set_extent_buffer_uptodate(struct extent_buffer *eb); void clear_extent_buffer_uptodate(struct extent_buffer *eb); -int extent_buffer_uptodate(struct extent_buffer *eb); int extent_buffer_under_io(struct extent_buffer *eb); int map_private_extent_buffer(const struct extent_buffer *eb, unsigned long offset, unsigned long min_len, |