diff options
Diffstat (limited to 'libbcachefs/util.h')
| -rw-r--r-- | libbcachefs/util.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/libbcachefs/util.h b/libbcachefs/util.h index 05027761..8e704b4a 100644 --- a/libbcachefs/util.h +++ b/libbcachefs/util.h @@ -550,6 +550,16 @@ size_t bch2_rand_range(size_t); void memcpy_to_bio(struct bio *, struct bvec_iter, void *); void memcpy_from_bio(void *, struct bio *, struct bvec_iter); +static inline void memcpy_u64s_small(void *dst, const void *src, + unsigned u64s) +{ + u64 *d = dst; + const u64 *s = src; + + while (u64s--) + *d++ = *s++; +} + static inline void __memcpy_u64s(void *dst, const void *src, unsigned u64s) { @@ -591,6 +601,24 @@ static inline void memmove_u64s_down(void *dst, const void *src, __memmove_u64s_down(dst, src, u64s); } +static inline void __memmove_u64s_up_small(void *_dst, const void *_src, + unsigned u64s) +{ + u64 *dst = (u64 *) _dst + u64s; + u64 *src = (u64 *) _src + u64s; + + while (u64s--) + *--dst = *--src; +} + +static inline void memmove_u64s_up_small(void *dst, const void *src, + unsigned u64s) +{ + EBUG_ON(dst < src); + + __memmove_u64s_up_small(dst, src, u64s); +} + static inline void __memmove_u64s_up(void *_dst, const void *_src, unsigned u64s) { |