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lvol: hotremove support

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This patch adds hotremove support of lvol base bdev

Signed-off-by: Maciej Szwed <maciej.szwed@intel.com>
Change-Id: I04dc7a0cc73fd6959824873f354d5c7db8c09a9b
Reviewed-on: https://review.gerrithub.io/379348
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Maciej Szwed 2017-09-20 15:46:11 +02:00 committed by Jim Harris
parent 4338d3c9a7
commit 99ba2b25e6
1 changed files with 16 additions and 1 deletions
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17
lib/bdev/lvol/vbdev_lvol.c
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@ -43,6 +43,21 @@ SPDK_DECLARE_BDEV_MODULE(lvol);
static TAILQ_HEAD(, lvol_store_bdev) g_spdk_lvol_pairs = TAILQ_HEAD_INITIALIZER(
g_spdk_lvol_pairs);
static void
vbdev_lvs_hotremove_cb(void *ctx)
{
struct spdk_bdev *bdev = ctx;
struct lvol_store_bdev *lvs_bdev, *tmp;
TAILQ_FOREACH_SAFE(lvs_bdev, &g_spdk_lvol_pairs, lvol_stores, tmp) {
if (lvs_bdev) {
if (lvs_bdev->bdev == bdev) {
vbdev_lvs_destruct(lvs_bdev->lvs, NULL, NULL);
}
}
}
}
static void
_vbdev_lvs_create_cb(void *cb_arg, struct spdk_lvol_store *lvs, int lvserrno)
{
@ -91,7 +106,7 @@ vbdev_lvs_create(struct spdk_bdev *base_bdev,
return -ENOMEM;
}
bs_dev = spdk_bdev_create_bs_dev(base_bdev, NULL, NULL);
bs_dev = spdk_bdev_create_bs_dev(base_bdev, vbdev_lvs_hotremove_cb, base_bdev);
if (!bs_dev) {
SPDK_ERRLOG("Cannot create blobstore device\n");
free(lvs_req);