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Remove KMC_QCACHE 

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 13:51:31 -07:00 committed by Brian Behlendorf
parent d519c10575
commit 3c09f6949a
2 changed files with 0 additions and 4 deletions
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2
include/os/linux/spl/sys/kmem_cache.h
View File

@ -38,7 +38,6 @@
typedef enum kmc_bit { typedef enum kmc_bit {
KMC_BIT_NODEBUG = 1, /* Default behavior */ KMC_BIT_NODEBUG = 1, /* Default behavior */
KMC_BIT_NOMAGAZINE = 2, /* XXX: Unsupported */ KMC_BIT_NOMAGAZINE = 2, /* XXX: Unsupported */
KMC_BIT_QCACHE = 4, /* XXX: Unsupported */
KMC_BIT_KMEM = 5, /* Use kmem cache */ KMC_BIT_KMEM = 5, /* Use kmem cache */
KMC_BIT_VMEM = 6, /* Use vmem cache */ KMC_BIT_VMEM = 6, /* Use vmem cache */
KMC_BIT_KVMEM = 7, /* Use kvmalloc linux allocator */ KMC_BIT_KVMEM = 7, /* Use kvmalloc linux allocator */
@ -63,7 +62,6 @@ typedef enum kmem_cbrc {
#define KMC_NODEBUG (1 << KMC_BIT_NODEBUG) #define KMC_NODEBUG (1 << KMC_BIT_NODEBUG)
#define KMC_NOMAGAZINE (1 << KMC_BIT_NOMAGAZINE) #define KMC_NOMAGAZINE (1 << KMC_BIT_NOMAGAZINE)
#define KMC_QCACHE (1 << KMC_BIT_QCACHE)
#define KMC_KMEM (1 << KMC_BIT_KMEM) #define KMC_KMEM (1 << KMC_BIT_KMEM)
#define KMC_VMEM (1 << KMC_BIT_VMEM) #define KMC_VMEM (1 << KMC_BIT_VMEM)
#define KMC_KVMEM (1 << KMC_BIT_KVMEM) #define KMC_KVMEM (1 << KMC_BIT_KVMEM)

2
module/os/linux/spl/spl-kmem-cache.c
View File

@ -721,7 +721,6 @@ spl_magazine_destroy(spl_kmem_cache_t *skc)
* KMC_KVMEM Force kvmem backed SPL cache * KMC_KVMEM Force kvmem backed SPL cache
* KMC_SLAB Force Linux slab backed cache * KMC_SLAB Force Linux slab backed cache
* KMC_NODEBUG Disable debugging (unsupported) * KMC_NODEBUG Disable debugging (unsupported)
* KMC_QCACHE Disable qcache (unsupported)
* KMC_NOMAGAZINE Enabled for kmem/vmem, Disabled for Linux slab * KMC_NOMAGAZINE Enabled for kmem/vmem, Disabled for Linux slab
*/ */
spl_kmem_cache_t * spl_kmem_cache_t *
@ -737,7 +736,6 @@ spl_kmem_cache_create(char *name, size_t size, size_t align,
* Unsupported flags * Unsupported flags
*/ */
ASSERT0(flags & KMC_NOMAGAZINE); ASSERT0(flags & KMC_NOMAGAZINE);
ASSERT0(flags & KMC_QCACHE);
ASSERT(vmp == NULL); ASSERT(vmp == NULL);
ASSERT(reclaim == NULL); ASSERT(reclaim == NULL);