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Merge pull request #456 from arutk/aalru

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Relax LRU list ordering to minimize list updates
This commit is contained in:
Robert Baldyga
2021-02-18 13:48:54 +01:00
committed by GitHub
parent 91cbeed611 9e98eec361
commit 75baec5aa5
7 changed files with 467 additions and 36 deletions
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12
src/concurrency/ocf_metadata_concurrency.c
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@@ -14,11 +14,8 @@ int ocf_metadata_concurrency_init(struct ocf_metadata_lock *metadata_lock)
unsigned part_iter;
unsigned global_iter;
for (evp_iter = 0; evp_iter < OCF_NUM_EVICTION_LISTS; evp_iter++) {
err = env_spinlock_init(&metadata_lock->eviction[evp_iter]);
if (err)
goto eviction_err;
}
for (evp_iter = 0; evp_iter < OCF_NUM_EVICTION_LISTS; evp_iter++)
env_rwlock_init(&metadata_lock->eviction[evp_iter]);
env_rwlock_init(&metadata_lock->status);
@@ -47,9 +44,8 @@ global_err:
env_rwlock_destroy(&metadata_lock->status);
eviction_err:
while (evp_iter--)
env_spinlock_destroy(&metadata_lock->eviction[evp_iter]);
env_rwlock_destroy(&metadata_lock->eviction[evp_iter]);
return err;
}
@@ -62,7 +58,7 @@ void ocf_metadata_concurrency_deinit(struct ocf_metadata_lock *metadata_lock)
env_spinlock_destroy(&metadata_lock->partition[i]);
for (i = 0; i < OCF_NUM_EVICTION_LISTS; i++)
env_spinlock_destroy(&metadata_lock->eviction[i]);
env_rwlock_destroy(&metadata_lock->eviction[i]);
for (i = 0; i < OCF_NUM_GLOBAL_META_LOCKS; i++)
env_rwsem_destroy(&metadata_lock->global[i].sem);