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Remove KMC_NOMAGAZINE

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Remove dead code to make the implementation easier to understand.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Ahrens <matt@delphix.com>
Closes #10650
This commit is contained in:
Matthew Ahrens
2020-07-30 13:56:00 -07:00
committed by Brian Behlendorf
parent 3c09f6949a
commit c6f2b942be
3 changed files with 2 additions and 11 deletions
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module/os/linux/spl/spl-kmem-cache.c
+2 -8
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@@ -662,8 +662,7 @@ spl_magazine_create(spl_kmem_cache_t *skc)
{
int i = 0;
if (skc->skc_flags & KMC_NOMAGAZINE)
return (0);
ASSERT((skc->skc_flags & KMC_SLAB) == 0);
skc->skc_mag = kzalloc(sizeof (spl_kmem_magazine_t *) *
num_possible_cpus(), kmem_flags_convert(KM_SLEEP));
@@ -693,8 +692,7 @@ spl_magazine_destroy(spl_kmem_cache_t *skc)
spl_kmem_magazine_t *skm;
int i = 0;
if (skc->skc_flags & KMC_NOMAGAZINE)
return;
ASSERT((skc->skc_flags & KMC_SLAB) == 0);
for_each_possible_cpu(i) {
skm = skc->skc_mag[i];
@@ -721,7 +719,6 @@ spl_magazine_destroy(spl_kmem_cache_t *skc)
* KMC_KVMEM Force kvmem backed SPL cache
* KMC_SLAB Force Linux slab backed cache
* KMC_NODEBUG Disable debugging (unsupported)
* KMC_NOMAGAZINE Enabled for kmem/vmem, Disabled for Linux slab
*/
spl_kmem_cache_t *
spl_kmem_cache_create(char *name, size_t size, size_t align,
@@ -735,7 +732,6 @@ spl_kmem_cache_create(char *name, size_t size, size_t align,
/*
* Unsupported flags
*/
ASSERT0(flags & KMC_NOMAGAZINE);
ASSERT(vmp == NULL);
ASSERT(reclaim == NULL);
@@ -872,8 +868,6 @@ spl_kmem_cache_create(char *name, size_t size, size_t align,
rc = ENOMEM;
goto out;
}
skc->skc_flags |= KMC_NOMAGAZINE;
}
down_write(&spl_kmem_cache_sem);