diff options
| author | Dr. David Alan Gilbert <linux@treblig.org> | 2025-10-24 21:51:20 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-11-12 10:00:17 -0800 |
| commit | a0b8c6af29a4be3ca2ff9a95cf71e54db5d73e65 (patch) | |
| tree | dfa2532793f26f992723ee78c74c9f36f92bb56b /lib | |
| parent | 6c2e6e2c1af1809d1d9cdbd50ac80f54f5995bdb (diff) | |
lib/xxhash: remove more unused xxh functions
xxh32_reset() and xxh32_copy_state() are unused, and with those gone, the
xxh32_state struct is also unused.
xxh64_copy_state() is also unused.
Remove them all.
(Also fixes a comment above the xxh64_state that referred to it as
xxh32_state).
Link: https://lkml.kernel.org/r/20251024205120.454508-1-linux@treblig.org
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Suggested-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Kuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/xxhash.c | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/lib/xxhash.c b/lib/xxhash.c index cf629766f376..4125b3e3cf7f 100644 --- a/lib/xxhash.c +++ b/lib/xxhash.c @@ -73,21 +73,6 @@ static const uint64_t PRIME64_3 = 1609587929392839161ULL; static const uint64_t PRIME64_4 = 9650029242287828579ULL; static const uint64_t PRIME64_5 = 2870177450012600261ULL; -/*-************************** - * Utils - ***************************/ -void xxh32_copy_state(struct xxh32_state *dst, const struct xxh32_state *src) -{ - memcpy(dst, src, sizeof(*dst)); -} -EXPORT_SYMBOL(xxh32_copy_state); - -void xxh64_copy_state(struct xxh64_state *dst, const struct xxh64_state *src) -{ - memcpy(dst, src, sizeof(*dst)); -} -EXPORT_SYMBOL(xxh64_copy_state); - /*-*************************** * Simple Hash Functions ****************************/ @@ -239,20 +224,6 @@ EXPORT_SYMBOL(xxh64); /*-************************************************** * Advanced Hash Functions ***************************************************/ -void xxh32_reset(struct xxh32_state *statePtr, const uint32_t seed) -{ - /* use a local state for memcpy() to avoid strict-aliasing warnings */ - struct xxh32_state state; - - memset(&state, 0, sizeof(state)); - state.v1 = seed + PRIME32_1 + PRIME32_2; - state.v2 = seed + PRIME32_2; - state.v3 = seed + 0; - state.v4 = seed - PRIME32_1; - memcpy(statePtr, &state, sizeof(state)); -} -EXPORT_SYMBOL(xxh32_reset); - void xxh64_reset(struct xxh64_state *statePtr, const uint64_t seed) { /* use a local state for memcpy() to avoid strict-aliasing warnings */ |