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bdev/ocf: Use spdk_bdev_open_ext() instead of spdk_bdev_open() in attach_base()

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This is a drop-in replacement.

spdk_bdev_open_ext() requires the caller to specify event_cb.
Hence base_bdev_event_cb() calls hotremove_cb() only if event_cb is
not NULL.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I98cd29781412406470a173e9714c65a07288c573
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4690
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
This commit is contained in:
Shuhei Matsumoto 2020-10-14 23:30:09 +09:00 committed by Tomasz Zawadzki
parent c6358b974f
commit 3ac1d76aef
1 changed files with 19 additions and 4 deletions
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23
module/bdev/ocf/vbdev_ocf.c
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@ -1348,9 +1348,8 @@ vbdev_ocf_module_fini(void)
* We will unregister cache vbdev here
* When cache device is removed, we delete every OCF bdev that used it */
static void
hotremove_cb(void *ctx)
hotremove_cb(struct vbdev_ocf_base *base)
{
struct vbdev_ocf_base *base = ctx;
struct vbdev_ocf *vbdev;
if (!base->is_cache) {
@ -1377,6 +1376,22 @@ hotremove_cb(void *ctx)
}
}
static void
base_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev,
void *event_ctx)
{
switch (type) {
case SPDK_BDEV_EVENT_REMOVE:
if (event_ctx) {
hotremove_cb(event_ctx);
}
break;
default:
SPDK_NOTICELOG("Unsupported bdev event: type %d\n", type);
break;
}
}
/* Open base SPDK bdev and claim it */
static int
attach_base(struct vbdev_ocf_base *base)
@ -1399,7 +1414,7 @@ attach_base(struct vbdev_ocf_base *base)
}
}
status = spdk_bdev_open(base->bdev, true, hotremove_cb, base, &base->desc);
status = spdk_bdev_open_ext(base->name, true, base_bdev_event_cb, base, &base->desc);
if (status) {
SPDK_ERRLOG("Unable to open device '%s' for writing\n", base->name);
return status;
@ -1736,7 +1751,7 @@ vbdev_ocf_examine_disk(struct spdk_bdev *bdev)
ctx->base.bdev = bdev;
ctx->refcnt = 1;
rc = spdk_bdev_open(ctx->base.bdev, true, NULL, NULL, &ctx->base.desc);
rc = spdk_bdev_open_ext(bdev_name, true, base_bdev_event_cb, NULL, &ctx->base.desc);
if (rc) {
ctx->result = rc;
examine_ctx_put(ctx);