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| author | James Morris <jmorris@namei.org> | 2010-01-18 09:56:22 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-01-18 09:56:22 +1100 |
| commit | 2457552d1e6f3183cd93f81c49a8da5fe8bb0e42 (patch) | |
| tree | 7ca46caa910012d75617700e4083b3657053cb31 /include/linux/bitmap.h | |
| parent | 19439d05b88dafc4e55d9ffce84ccc27cf8b2bcc (diff) | |
| parent | 6ccf80eb15ccaca4d3f1ab5162b9ded5eecd9971 (diff) | |
Merge branch 'master' into next
Diffstat (limited to 'include/linux/bitmap.h')
| -rw-r--r-- | include/linux/bitmap.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 756d78b8c1c5..daf8c480c786 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -42,6 +42,9 @@ * bitmap_empty(src, nbits) Are all bits zero in *src? * bitmap_full(src, nbits) Are all bits set in *src? * bitmap_weight(src, nbits) Hamming Weight: number set bits + * bitmap_set(dst, pos, nbits) Set specified bit area + * bitmap_clear(dst, pos, nbits) Clear specified bit area + * bitmap_find_next_zero_area(buf, len, pos, n, mask) Find bit free area * bitmap_shift_right(dst, src, n, nbits) *dst = *src >> n * bitmap_shift_left(dst, src, n, nbits) *dst = *src << n * bitmap_remap(dst, src, old, new, nbits) *dst = map(old, new)(src) @@ -108,6 +111,14 @@ extern int __bitmap_subset(const unsigned long *bitmap1, const unsigned long *bitmap2, int bits); extern int __bitmap_weight(const unsigned long *bitmap, int bits); +extern void bitmap_set(unsigned long *map, int i, int len); +extern void bitmap_clear(unsigned long *map, int start, int nr); +extern unsigned long bitmap_find_next_zero_area(unsigned long *map, + unsigned long size, + unsigned long start, + unsigned int nr, + unsigned long align_mask); + extern int bitmap_scnprintf(char *buf, unsigned int len, const unsigned long *src, int nbits); extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user, |