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- Improve error reporting on lvmetad connection failure.

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- Fix a couple of memory leaks in the lvmetad client code.
- Avoid an error in lvmetad_pv_gone when we aren't using lvmetad.
This commit is contained in:
Petr Rockai 2012-02-26 08:49:40 +00:00
parent 98b4241b2f
commit 1943ff9910
1 changed files with 11 additions and 3 deletions
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14
lib/cache/lvmetad.c vendored
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@ -16,8 +16,8 @@ void lvmetad_init(void)
const char *socket = getenv("LVM_LVMETAD_SOCKET");
if (_using_lvmetad) { /* configured by the toolcontext */
_lvmetad = lvmetad_open(socket ?: DEFAULT_RUN_DIR "/lvmetad.socket");
if (_lvmetad.socket_fd < 0) {
log_warn("Failed to connect to lvmetad. Falling back to scanning.");
if (_lvmetad.socket_fd < 0 || _lvmetad.error) {
log_warn("Failed to connect to lvmetad: %s. Falling back to scanning.", strerror(_lvmetad.error));
_using_lvmetad = 0;
}
}
@ -251,6 +251,7 @@ int lvmetad_vg_update(struct volume_group *vg)
reply = daemon_send_simple(_lvmetad, "vg_update", "vgname = %s", vg->name,
"metadata = %b", strchr(buf, '{'),
NULL);
dm_free(buf);
if (!_lvmetad_handle_reply(reply, "update VG", vg->name))
return 0;
@ -496,8 +497,12 @@ int lvmetad_pv_found(struct id pvid, struct device *device, const struct format_
" %s"
"}", device->dev,
info ? lvmcache_device_size(info) : 0,
fmt->name, label_sector, uuid, mdas ?: ""))
fmt->name, label_sector, uuid, mdas ?: "")) {
dm_free((char *)mdas);
return_0;
}
dm_free((char *)mdas);
if (vg) {
/*
@ -529,6 +534,9 @@ int lvmetad_pv_found(struct id pvid, struct device *device, const struct format_
int lvmetad_pv_gone(dev_t device)
{
if (!_using_lvmetad)
return 1;
daemon_reply reply =
daemon_send_simple(_lvmetad, "pv_gone", "device = %d", device, NULL);