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Fix snapshot cow area deactivation if origin is not active. (2.02.13)

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This commit is contained in:
Milan Broz 2007-07-17 16:13:12 +00:00
parent d1158c75e8
commit 5b7d162947
2 changed files with 17 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.27 -
================================
Fix snapshot cow area deactivation if origin is not active. (2.02.13)
Fix configure libdevmapper.h check when --with-dmdir is used.
Turn _add_pv_to_vg() into external library function add_pv_to_vg().
Add pv_by_path() external library function.

17
tools/lvcreate.c
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@ -478,10 +478,11 @@ static int _lvcreate(struct cmd_context *cmd, struct lvcreate_params *lp)
struct logical_volume *lv, *org = NULL, *log_lv = NULL;
struct list *pvh, tags;
const char *tag = NULL;
int consistent = 1;
int consistent = 1, origin_active = 0;
struct alloc_handle *ah = NULL;
char lv_name_buf[128];
const char *lv_name;
struct lvinfo info;
status |= lp->permission | VISIBLE_LV;
@ -615,6 +616,13 @@ static int _lvcreate(struct cmd_context *cmd, struct lvcreate_params *lp)
/* Must zero cow */
status |= LVM_WRITE;
if (!lv_info(cmd, org, &info, 0)) {
log_error("Check for existence of snapshot origin "
"'%s' failed.", org->name);
return 0;
}
origin_active = info.exists;
}
if (!lp->extents) {
@ -792,6 +800,13 @@ static int _lvcreate(struct cmd_context *cmd, struct lvcreate_params *lp)
if (!(lp->permission & LVM_WRITE))
lv->status &= ~LVM_WRITE;
/* COW area must be deactivated if origin is not active */
if (!origin_active && !deactivate_lv(cmd, lv)) {
log_error("Aborting. Couldn't deactivate snapshot "
"COW area.");
return 0;
}
/* cow LV remains active and becomes snapshot LV */
if (!vg_add_snapshot(vg->fid, NULL, org, lv, NULL,