Commit 01608f1a authored by Konrad Sztyber's avatar Konrad Sztyber Committed by Tomasz Zawadzki
Browse files

accel: temporarily disable iobuf thread caches 



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: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Change-Id: Ibad19ea92f2218a8dec01e802a736cfdd357dfc6
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/16398


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent 8c8cd12e

lib/accel/accel.c

+2 −2
Original line number Diff line number Diff line
@@ -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)