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lvmlocdk: correct creation of dm path vg sanlock LV

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Vgname may contain '-' and needs escaping '--' for /dev/mapper path.
This commit is contained in:
Zdenek Kabelac 2021-02-14 17:47:08 +01:00
parent fbaf5a32bb
commit 868b733588
1 changed files with 5 additions and 2 deletions
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7
lib/locking/lvmlockd.c
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@ -382,6 +382,7 @@ static int _extend_sanlock_lv(struct cmd_context *cmd, struct volume_group *vg,
{
struct device *dev;
char path[PATH_MAX];
char *name;
uint64_t old_size_bytes;
uint64_t new_size_bytes;
uint32_t extend_bytes;
@ -423,8 +424,10 @@ static int _extend_sanlock_lv(struct cmd_context *cmd, struct volume_group *vg,
new_size_bytes = lv->size * SECTOR_SIZE;
if (dm_snprintf(path, sizeof(path), "%s/mapper/%s-%s", lv->vg->cmd->dev_dir,
lv->vg->name, lv->name) < 0) {
if (!(name = dm_build_dm_name(lv->vg->cmd->mem, lv->vg->name, lv->name, NULL)))
return_0;
if (dm_snprintf(path, sizeof(path), "%s/%s", dm_dir(), name) < 0) {
log_error("Extend sanlock LV %s name too long - extended size not zeroed.",
display_lvname(lv));
return 0;