diff options
Diffstat (limited to 'fs/xfs/scrub/bitmap.h')
| -rw-r--r-- | fs/xfs/scrub/bitmap.h | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/fs/xfs/scrub/bitmap.h b/fs/xfs/scrub/bitmap.h index 900646b72de1..27fde5b4a753 100644 --- a/fs/xfs/scrub/bitmap.h +++ b/fs/xfs/scrub/bitmap.h @@ -19,13 +19,6 @@ struct xbitmap { void xbitmap_init(struct xbitmap *bitmap); void xbitmap_destroy(struct xbitmap *bitmap); -#define for_each_xbitmap_extent(bex, n, bitmap) \ - list_for_each_entry_safe((bex), (n), &(bitmap)->list, list) - -#define for_each_xbitmap_block(b, bex, n, bitmap) \ - list_for_each_entry_safe((bex), (n), &(bitmap)->list, list) \ - for ((b) = (bex)->start; (b) < (bex)->start + (bex)->len; (b)++) - int xbitmap_set(struct xbitmap *bitmap, uint64_t start, uint64_t len); int xbitmap_disunion(struct xbitmap *bitmap, struct xbitmap *sub); int xbitmap_set_btcur_path(struct xbitmap *bitmap, @@ -34,4 +27,19 @@ int xbitmap_set_btblocks(struct xbitmap *bitmap, struct xfs_btree_cur *cur); uint64_t xbitmap_hweight(struct xbitmap *bitmap); +/* + * Return codes for the bitmap iterator functions are 0 to continue iterating, + * and non-zero to stop iterating. Any non-zero value will be passed up to the + * iteration caller. The special value -ECANCELED can be used to stop + * iteration, because neither bitmap iterator ever generates that error code on + * its own. + */ +typedef int (*xbitmap_walk_run_fn)(uint64_t start, uint64_t len, void *priv); +int xbitmap_iter_set(struct xbitmap *bitmap, xbitmap_walk_run_fn fn, + void *priv); + +typedef int (*xbitmap_walk_bit_fn)(uint64_t bit, void *priv); +int xbitmap_iter_set_bits(struct xbitmap *bitmap, xbitmap_walk_bit_fn fn, + void *priv); + #endif /* __XFS_SCRUB_BITMAP_H__ */ |