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Code Releases Activity

Abort if _finish_pvmove suspend_lvs fails instead of cleaning up incompletely.

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Change suspend_lvs to call vg_revert internally.
Change vg_revert to void and remove superfluous calls after failed vg_commit.
This commit is contained in:
Alasdair Kergon 2011-09-27 17:09:42 +00:00
parent 88c3d4b61a
commit e63febe5ec
7 changed files with 31 additions and 23 deletions
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3
WHATS_NEW
View File

@ -1,5 +1,8 @@
Version 2.02.89 -
==================================
Abort if _finish_pvmove suspend_lvs fails instead of cleaning up incompletely.
Change suspend_lvs to call vg_revert internally.
Change vg_revert to void and remove superfluous calls after failed vg_commit.
Use execvp for CLVMD restart to preserve environment settings.
Restart CLVMD with same cluster manager.
Fix log_error() usage in raid and unknown segtype initialisation.

11
lib/locking/locking.c
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@ -493,8 +493,13 @@ int resume_lvs(struct cmd_context *cmd, struct dm_list *lvs)
return r;
}
/* Lock a list of LVs */
int suspend_lvs(struct cmd_context *cmd, struct dm_list *lvs)
/*
* Lock a list of LVs.
* On failure to lock any LV, calls vg_revert() if vg_to_revert is set and
* then unlocks any LVs on the list already successfully locked.
*/
int suspend_lvs(struct cmd_context *cmd, struct dm_list *lvs,
struct volume_group *vg_to_revert)
{
struct dm_list *lvh;
struct lv_list *lvl;
@ -502,6 +507,8 @@ int suspend_lvs(struct cmd_context *cmd, struct dm_list *lvs)
dm_list_iterate_items(lvl, lvs) {
if (!suspend_lv(cmd, lvl->lv)) {
log_error("Failed to suspend %s", lvl->lv->name);
if (vg_to_revert)
vg_revert(vg_to_revert);
dm_list_uniterate(lvh, lvs, &lvl->list) {
lvl = dm_list_item(lvh, struct lv_list);
if (!resume_lv(cmd, lvl->lv))

4
lib/locking/locking.h
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@ -187,7 +187,9 @@ int sync_local_dev_names(struct cmd_context* cmd);
int sync_dev_names(struct cmd_context* cmd);
/* Process list of LVs */
int suspend_lvs(struct cmd_context *cmd, struct dm_list *lvs);
struct volume_group;
int suspend_lvs(struct cmd_context *cmd, struct dm_list *lvs,
struct volume_group *vg_to_revert);
int resume_lvs(struct cmd_context *cmd, struct dm_list *lvs);
int activate_lvs(struct cmd_context *cmd, struct dm_list *lvs, unsigned exclusive);

5
lib/metadata/lv_manip.c
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@ -2793,11 +2793,8 @@ int lv_rename(struct cmd_context *cmd, struct logical_volume *lv,
if (!vg_write(vg))
return 0;
if (!suspend_lvs(cmd, &lvs_changed)) {
vg_revert(vg);
if (!suspend_lvs(cmd, &lvs_changed, vg))
goto_out;
}
if (!(r = vg_commit(vg)))
stack;

2
lib/metadata/metadata-exported.h
View File

@ -400,7 +400,7 @@ void pvcreate_params_set_defaults(struct pvcreate_params *pp);
*/
int vg_write(struct volume_group *vg);
int vg_commit(struct volume_group *vg);
int vg_revert(struct volume_group *vg);
void vg_revert(struct volume_group *vg);
struct volume_group *vg_read_internal(struct cmd_context *cmd, const char *vg_name,
const char *vgid, int warnings, int *consistent);
struct physical_volume *pv_read(struct cmd_context *cmd, const char *pv_name,

4
lib/metadata/metadata.c
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@ -2685,7 +2685,7 @@ int vg_commit(struct volume_group *vg)
}
/* Don't commit any pending changes */
int vg_revert(struct volume_group *vg)
void vg_revert(struct volume_group *vg)
{
struct metadata_area *mda;
@ -2701,8 +2701,6 @@ int vg_revert(struct volume_group *vg)
"after reverted update for VG %s.", vg->name);
remote_revert_cached_metadata(vg);
return 1;
}
/* Make orphan PVs look like a VG */

25
tools/pvmove.c
View File

@ -307,17 +307,21 @@ static int _detach_pvmove_mirror(struct cmd_context *cmd,
static int _suspend_lvs(struct cmd_context *cmd, unsigned first_time,
struct logical_volume *lv_mirr,
struct dm_list *lvs_changed)
struct dm_list *lvs_changed,
struct volume_group *vg_to_revert)
{
/*
* Suspend lvs_changed the first time.
* Suspend mirrors on subsequent calls.
*/
if (first_time) {
if (!suspend_lvs(cmd, lvs_changed))
if (!suspend_lvs(cmd, lvs_changed, vg_to_revert))
return_0;
} else if (!suspend_lv(cmd, lv_mirr))
} else if (!suspend_lv(cmd, lv_mirr)) {
if (vg_to_revert)
vg_revert(vg_to_revert);
return_0;
}
return 1;
}
@ -364,16 +368,14 @@ static int _update_metadata(struct cmd_context *cmd, struct volume_group *vg,
return 0;
}
if (!_suspend_lvs(cmd, first_time, lv_mirr, lvs_changed)) {
/* FIXME vg_revert must be moved *before* any LV resumes */
vg_revert(vg);
goto_out;
if (!_suspend_lvs(cmd, first_time, lv_mirr, lvs_changed, vg)) {
log_error("ABORTING: Volume group metadata update failed.");
goto out;
}
/* Commit on-disk metadata */
if (!vg_commit(vg)) {
log_error("ABORTING: Volume group metadata update failed.");
vg_revert(vg);
goto out;
}
@ -555,16 +557,15 @@ static int _finish_pvmove(struct cmd_context *cmd, struct volume_group *vg,
}
/* Suspend LVs changed (implicitly suspends lv_mirr) */
if (!suspend_lvs(cmd, lvs_changed)) {
log_error("Locking LVs to remove temporary mirror failed");
r = 0;
if (!suspend_lvs(cmd, lvs_changed, vg)) {
log_error("ABORTING: Locking LVs to remove temporary mirror failed");
return 0;
}
/* Store metadata without dependencies on mirror segments */
if (!vg_commit(vg)) {
log_error("ABORTING: Failed to write new data locations "
"to disk.");
vg_revert(vg);
if (!resume_lv(cmd, lv_mirr))
stack;
if (!resume_lvs(cmd, lvs_changed))