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bdev/delay: Set zcopy I/O type to be unsupported regardless of backend bdev module

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Delay bdev module does not support delaying zcopy I/O. So change
vbdev_delay_io_type_supported() to return false if the passed I/O
type is zcopy to clarify the use case of delay bdev module.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Icea5ae351d7139250710ce491e4ac466b0cc7f98
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/2622
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Shuhei Matsumoto 2020-06-07 03:12:49 +09:00 committed by Tomasz Zawadzki
parent a954d2bf30
commit 82d77ca6f5
1 changed files with 5 additions and 1 deletions
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4
module/bdev/delay/vbdev_delay.c
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@ -454,8 +454,12 @@ vbdev_delay_io_type_supported(void *ctx, enum spdk_bdev_io_type io_type)
{
struct vbdev_delay *delay_node = (struct vbdev_delay *)ctx;
if (io_type == SPDK_BDEV_IO_TYPE_ZCOPY) {
return false;
} else {
return spdk_bdev_io_type_supported(delay_node->base_bdev, io_type);
}
}
static struct spdk_io_channel *
vbdev_delay_get_io_channel(void *ctx)