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accel: temporarily disable iobuf thread caches

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The iobuf buffers are only used in accel when executing chained
operations.  Since none of the components in SPDK are using chaining
yet, there's little point in having per-thread iobuf caches, as they
only reduce the number of available buffers in other libraries.

This change will be reverted once bdev layer and bdev modules are
updated to support chaining.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: Ibad19ea92f2218a8dec01e802a736cfdd357dfc6
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16398
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Konrad Sztyber 2023-01-20 16:38:53 +01:00 committed by Tomasz Zawadzki
parent 8c8cd12e1d
commit 01608f1af2
1 changed files with 2 additions and 2 deletions
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4
lib/accel/accel.c
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@ -29,8 +29,8 @@
#define ALIGN_4K 0x1000
#define MAX_TASKS_PER_CHANNEL 0x800
#define ACCEL_SMALL_CACHE_SIZE 128
#define ACCEL_LARGE_CACHE_SIZE 16
#define ACCEL_SMALL_CACHE_SIZE 0
#define ACCEL_LARGE_CACHE_SIZE 0
/* Set MSB, so we don't return NULL pointers as buffers */
#define ACCEL_BUFFER_BASE ((void *)(1ull << 63))
#define ACCEL_BUFFER_OFFSET_MASK ((uintptr_t)ACCEL_BUFFER_BASE - 1)