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libzfs: pool: zpool_vdev_name: use libzfs_envvar_is_set

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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13413
This commit is contained in:
наб 2022-05-03 19:38:15 +02:00 committed by Brian Behlendorf
parent e9072c76f8
commit ca3b105cd9
1 changed files with 5 additions and 13 deletions
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18
lib/libzfs/libzfs_pool.c
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@ -4123,10 +4123,10 @@ char *
zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
int name_flags)
{
char *path, *type, *env;
char *path, *type;
uint64_t value;
char buf[PATH_BUF_LEN];
char tmpbuf[PATH_BUF_LEN];
char tmpbuf[PATH_BUF_LEN * 2];
/*
* vdev_name will be "root"/"root-0" for the root vdev, but it is the
@ -4136,19 +4136,11 @@ zpool_vdev_name(libzfs_handle_t *hdl, zpool_handle_t *zhp, nvlist_t *nv,
if (zhp != NULL && strcmp(type, "root") == 0)
return (zfs_strdup(hdl, zpool_get_name(zhp)));
env = getenv("ZPOOL_VDEV_NAME_PATH");
if (env && (strtoul(env, NULL, 0) > 0 ||
!strncasecmp(env, "YES", 3) || !strncasecmp(env, "ON", 2)))
if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_PATH"))
name_flags |= VDEV_NAME_PATH;
env = getenv("ZPOOL_VDEV_NAME_GUID");
if (env && (strtoul(env, NULL, 0) > 0 ||
!strncasecmp(env, "YES", 3) || !strncasecmp(env, "ON", 2)))
if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_GUID"))
name_flags |= VDEV_NAME_GUID;
env = getenv("ZPOOL_VDEV_NAME_FOLLOW_LINKS");
if (env && (strtoul(env, NULL, 0) > 0 ||
!strncasecmp(env, "YES", 3) || !strncasecmp(env, "ON", 2)))
if (libzfs_envvar_is_set("ZPOOL_VDEV_NAME_FOLLOW_LINKS"))
name_flags |= VDEV_NAME_FOLLOW_LINKS;
if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, &value) == 0 ||