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Bdev/Lvol: check base bdev's md before examining

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To fix issue #2514

Change-Id: If507382202e729f5934a354e2515a035ad5aeb0c
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12750
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
GangCao 2022-05-19 22:34:44 -04:00 committed by Tomasz Zawadzki
parent 0f3f107d5f
commit 7cfb12f437
2 changed files with 13 additions and 0 deletions
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7
module/bdev/lvol/vbdev_lvol.c
View File

@ -1441,6 +1441,13 @@ vbdev_lvs_examine(struct spdk_bdev *bdev)
struct spdk_lvs_with_handle_req *req; struct spdk_lvs_with_handle_req *req;
int rc; int rc;
if (spdk_bdev_get_md_size(bdev) != 0) {
SPDK_INFOLOG(vbdev_lvol, "Cannot create bs dev on %s\n which is formatted with metadata",
bdev->name);
spdk_bdev_module_examine_done(&g_lvol_if);
return;
}
req = calloc(1, sizeof(*req)); req = calloc(1, sizeof(*req));
if (req == NULL) { if (req == NULL) {
spdk_bdev_module_examine_done(&g_lvol_if); spdk_bdev_module_examine_done(&g_lvol_if);

6
test/unit/lib/bdev/vbdev_lvol.c/vbdev_lvol_ut.c
View File

@ -73,6 +73,12 @@ spdk_bdev_get_aliases(const struct spdk_bdev *bdev)
return &bdev->aliases; return &bdev->aliases;
} }
uint32_t
spdk_bdev_get_md_size(const struct spdk_bdev *bdev)
{
return bdev->md_len;
}
int int
spdk_bdev_alias_add(struct spdk_bdev *bdev, const char *alias) spdk_bdev_alias_add(struct spdk_bdev *bdev, const char *alias)
{ {