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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2014-11-13 18:11:20 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-11-13 15:13:05 -0500 |
| commit | 1b2f309d70daf04b6a97b3753e375654532f6207 (patch) | |
| tree | 1cd88fc0d8891c65264b17f84903b9efa87dd165 /lib | |
| parent | 1f501d62523f0d5fd152006e16938ee674932c1b (diff) | |
| download | linux-stable-1b2f309d70daf04b6a97b3753e375654532f6207.tar.gz linux-stable-1b2f309d70daf04b6a97b3753e375654532f6207.tar.bz2 linux-stable-1b2f309d70daf04b6a97b3753e375654532f6207.zip | |
rhashtable: Move mutex_is_held under PROVE_LOCKING
The rhashtable function mutex_is_held is only used when PROVE_LOCKING
is enabled. This patch makes the mutex_is_held field in rhashtable
optional depending on PROVE_LOCKING.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/rhashtable.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/rhashtable.c b/lib/rhashtable.c index 081be3ba9ea8..c7654b6f5f64 100644 --- a/lib/rhashtable.c +++ b/lib/rhashtable.c @@ -532,7 +532,9 @@ static size_t rounded_hashtable_size(struct rhashtable_params *params) * .key_offset = offsetof(struct test_obj, key), * .key_len = sizeof(int), * .hashfn = arch_fast_hash, + * #ifdef CONFIG_PROVE_LOCKING * .mutex_is_held = &my_mutex_is_held, + * #endif * }; * * Configuration Example 2: Variable length keys @@ -552,7 +554,9 @@ static size_t rounded_hashtable_size(struct rhashtable_params *params) * .head_offset = offsetof(struct test_obj, node), * .hashfn = arch_fast_hash, * .obj_hashfn = my_hash_fn, + * #ifdef CONFIG_PROVE_LOCKING * .mutex_is_held = &my_mutex_is_held, + * #endif * }; */ int rhashtable_init(struct rhashtable *ht, struct rhashtable_params *params) @@ -613,10 +617,12 @@ EXPORT_SYMBOL_GPL(rhashtable_destroy); #define TEST_PTR ((void *) 0xdeadbeef) #define TEST_NEXPANDS 4 +#ifdef CONFIG_PROVE_LOCKING static int test_mutex_is_held(void) { return 1; } +#endif struct test_obj { void *ptr; @@ -767,7 +773,9 @@ static int __init test_rht_init(void) .key_offset = offsetof(struct test_obj, value), .key_len = sizeof(int), .hashfn = arch_fast_hash, +#ifdef CONFIG_PROVE_LOCKING .mutex_is_held = &test_mutex_is_held, +#endif .grow_decision = rht_grow_above_75, .shrink_decision = rht_shrink_below_30, }; |