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OCF: add flush io support

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Add flush to supported io types for vbdev_ocf

Change-Id: I7e53474670628f425cedbd24bc0679cfa6715a19
Signed-off-by: Vitaliy Mysak <vitaliy.mysak@intel.com>
Reviewed-on: https://review.gerrithub.io/c/435739
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Chunyang Hui <chunyang.hui@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Vitaliy Mysak 2018-12-01 21:53:11 +00:00 committed by Darek Stojaczyk
parent 2fde729fd7
commit b4c4cfba7f
2 changed files with 27 additions and 3 deletions
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20
lib/bdev/ocf/dobj.c
View File

@ -283,6 +283,26 @@ prepare_submit(struct ocf_io *io)
static void
vbdev_ocf_dobj_submit_flush(struct ocf_io *io)
{
struct vbdev_ocf_base *base = ocf_data_obj_get_priv(io->obj);
struct ocf_io_ctx *io_ctx = ocf_get_io_ctx(io);
int status;
if (base->is_cache) {
io->end(io, 0);
return;
}
prepare_submit(io);
status = spdk_bdev_flush(
base->desc, io_ctx->ch,
io->addr, io->bytes,
vbdev_ocf_dobj_submit_io_cb, io);
if (status) {
/* Since callback is not called, we need to do it manually to free io structures */
SPDK_ERRLOG("Submission failed with status=%d\n", status);
vbdev_ocf_dobj_submit_io_cb(NULL, false, io);
}
}
static void

10
lib/bdev/ocf/vbdev_ocf.c
View File

@ -263,6 +263,8 @@ io_submit_to_ocf(struct spdk_bdev_io *bdev_io, struct ocf_io *io)
ocf_io_configure(io, offset, len, dir, 0, 0);
return ocf_submit_io(io);
case SPDK_BDEV_IO_TYPE_FLUSH:
ocf_io_configure(io, offset, len, OCF_WRITE, 0, OCF_WRITE_FLUSH);
return ocf_submit_flush(io);
case SPDK_BDEV_IO_TYPE_UNMAP:
case SPDK_BDEV_IO_TYPE_RESET:
case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
@ -334,10 +336,10 @@ vbdev_ocf_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_i
bdev_io->u.bdev.num_blocks * bdev_io->bdev->blocklen);
break;
case SPDK_BDEV_IO_TYPE_WRITE:
case SPDK_BDEV_IO_TYPE_FLUSH:
io_handle(ch, bdev_io);
break;
case SPDK_BDEV_IO_TYPE_UNMAP:
case SPDK_BDEV_IO_TYPE_FLUSH:
case SPDK_BDEV_IO_TYPE_RESET:
case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
default:
@ -351,12 +353,14 @@ vbdev_ocf_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_i
static bool
vbdev_ocf_io_type_supported(void *opaque, enum spdk_bdev_io_type io_type)
{
struct vbdev_ocf *vbdev = opaque;
switch (io_type) {
case SPDK_BDEV_IO_TYPE_READ:
case SPDK_BDEV_IO_TYPE_WRITE:
return true;
case SPDK_BDEV_IO_TYPE_UNMAP:
case SPDK_BDEV_IO_TYPE_FLUSH:
return spdk_bdev_io_type_supported(vbdev->core.bdev, io_type);
case SPDK_BDEV_IO_TYPE_UNMAP:
case SPDK_BDEV_IO_TYPE_RESET:
case SPDK_BDEV_IO_TYPE_WRITE_ZEROES:
default: