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cleanup: change ondisk committed

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Patch has no functional change.
This commit is contained in:
Zdenek Kabelac 2015-11-25 10:52:22 +01:00
parent d9faf85987
commit 4312b09635
2 changed files with 44 additions and 44 deletions
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86
lib/activate/activate.c
View File

@ -333,7 +333,7 @@ int lv_suspend(struct cmd_context *cmd, const char *lvid_s)
}
*******/
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive,
const struct logical_volume *ondisk_lv, const struct logical_volume *incore_lv)
const struct logical_volume *lv, const struct logical_volume *lv_pre)
{
return 1;
}
@ -1793,12 +1793,12 @@ static int _preload_detached_lv(struct logical_volume *lv, void *data)
static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
struct lv_activate_opts *laopts, int error_if_not_suspended,
const struct logical_volume *ondisk_lv, const struct logical_volume *incore_lv)
const struct logical_volume *lv, const struct logical_volume *lv_pre)
{
const struct logical_volume *pvmove_lv = NULL;
const struct logical_volume *ondisk_lv_to_free = NULL;
const struct logical_volume *incore_lv_to_free = NULL;
struct logical_volume *lv_pre;
const struct logical_volume *lv_to_free = NULL;
const struct logical_volume *lv_pre_to_free = NULL;
struct logical_volume *lv_pre_tmp;
struct seg_list *sl;
struct lv_segment *snap_seg;
struct lvinfo info;
@ -1808,27 +1808,28 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
if (!activation())
return 1;
if (!ondisk_lv && !(ondisk_lv_to_free = ondisk_lv = lv_from_lvid(cmd, lvid_s, 0)))
/* lv comes from committed metadata */
if (!lv && !(lv_to_free = lv = lv_from_lvid(cmd, lvid_s, 0)))
goto_out;
/* Use precommitted metadata if present */
if (!incore_lv && !(incore_lv_to_free = incore_lv = lv_from_lvid(cmd, lvid_s, 1)))
if (!lv_pre && !(lv_pre_to_free = lv_pre = lv_from_lvid(cmd, lvid_s, 1)))
goto_out;
/* Ignore origin_only unless LV is origin in both old and new metadata */
/* or LV is thin or thin pool volume */
if (!lv_is_thin_volume(ondisk_lv) && !lv_is_thin_pool(ondisk_lv) &&
!(lv_is_origin(ondisk_lv) && lv_is_origin(incore_lv)))
if (!lv_is_thin_volume(lv) && !lv_is_thin_pool(lv) &&
!(lv_is_origin(lv) && lv_is_origin(lv_pre)))
laopts->origin_only = 0;
if (test_mode()) {
_skip("Suspending %s%s.", ondisk_lv->name,
_skip("Suspending %s%s.", display_lvname(lv),
laopts->origin_only ? " origin without snapshots" : "");
r = 1;
goto out;
}
if (!lv_info(cmd, ondisk_lv, laopts->origin_only, &info, 0, 0))
if (!lv_info(cmd, lv, laopts->origin_only, &info, 0, 0))
goto_out;
if (!info.exists || info.suspended) {
@ -1840,10 +1841,10 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
goto out;
}
if (!lv_read_replicator_vgs(ondisk_lv))
if (!lv_read_replicator_vgs(lv))
goto_out;
lv_calculate_readahead(ondisk_lv, NULL);
lv_calculate_readahead(lv, NULL);
/*
* Preload devices for the LV.
@ -1852,58 +1853,57 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
* tables for all the changed LVs here, as the relationships
* are not found by walking the new metadata.
*/
if (!lv_is_locked(incore_lv) &&
lv_is_locked(ondisk_lv) &&
(pvmove_lv = find_pvmove_lv_in_lv(ondisk_lv))) {
if (lv_is_locked(lv) && !lv_is_locked(lv_pre) &&
(pvmove_lv = find_pvmove_lv_in_lv(lv))) {
/* Preload all the LVs above the PVMOVE LV */
dm_list_iterate_items(sl, &pvmove_lv->segs_using_this_lv) {
if (!(lv_pre = find_lv(incore_lv->vg, sl->seg->lv->name))) {
if (!(lv_pre_tmp = find_lv(lv_pre->vg, sl->seg->lv->name))) {
log_error(INTERNAL_ERROR "LV %s missing from preload metadata", sl->seg->lv->name);
goto out;
}
if (!_lv_preload(lv_pre, laopts, &flush_required))
if (!_lv_preload(lv_pre_tmp, laopts, &flush_required))
goto_out;
}
/* Now preload the PVMOVE LV itself */
if (!(lv_pre = find_lv(incore_lv->vg, pvmove_lv->name))) {
if (!(lv_pre_tmp = find_lv(lv_pre->vg, pvmove_lv->name))) {
log_error(INTERNAL_ERROR "LV %s missing from preload metadata", pvmove_lv->name);
goto out;
}
if (!_lv_preload(lv_pre, laopts, &flush_required))
if (!_lv_preload(lv_pre_tmp, laopts, &flush_required))
goto_out;
} else {
if (!_lv_preload(incore_lv, laopts, &flush_required))
if (!_lv_preload(lv_pre, laopts, &flush_required))
/* FIXME Revert preloading */
goto_out;
/*
* Search for existing LVs that have become detached and preload them.
*/
detached.lv_pre = incore_lv;
detached.lv_pre = lv_pre;
detached.laopts = laopts;
detached.flush_required = &flush_required;
if (!for_each_sub_lv((struct logical_volume *)ondisk_lv, &_preload_detached_lv, &detached))
if (!for_each_sub_lv((struct logical_volume *)lv, &_preload_detached_lv, &detached))
goto_out;
/*
* Preload any snapshots that are being removed.
*/
if (!laopts->origin_only && lv_is_origin(ondisk_lv)) {
dm_list_iterate_items_gen(snap_seg, &ondisk_lv->snapshot_segs, origin_list) {
if (!(lv_pre = find_lv_in_vg_by_lvid(incore_lv->vg, &snap_seg->cow->lvid))) {
if (!laopts->origin_only && lv_is_origin(lv)) {
dm_list_iterate_items_gen(snap_seg, &lv->snapshot_segs, origin_list) {
if (!(lv_pre_tmp = find_lv_in_vg_by_lvid(lv_pre->vg, &snap_seg->cow->lvid))) {
log_error(INTERNAL_ERROR "LV %s (%s) missing from preload metadata",
snap_seg->cow->name, snap_seg->cow->lvid.id[1].uuid);
goto out;
}
if (!lv_is_cow(lv_pre) &&
!_lv_preload(lv_pre, laopts, &flush_required))
if (!lv_is_cow(lv_pre_tmp) &&
!_lv_preload(lv_pre_tmp, laopts, &flush_required))
goto_out;
}
}
}
if (!monitor_dev_for_events(cmd, ondisk_lv, laopts, 0))
if (!monitor_dev_for_events(cmd, lv, laopts, 0))
/* FIXME Consider aborting here */
stack;
@ -1912,14 +1912,14 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
critical_section_inc(cmd, "suspending pvmove LV");
if (!laopts->origin_only &&
(lv_is_origin(incore_lv) || lv_is_cow(incore_lv)))
(lv_is_origin(lv_pre) || lv_is_cow(lv_pre)))
lockfs = 1;
/* Converting non-thin LV to thin external origin ? */
if (!lv_is_thin_volume(ondisk_lv) && lv_is_thin_volume(incore_lv))
if (!lv_is_thin_volume(lv) && lv_is_thin_volume(lv_pre))
lockfs = 1; /* Sync before conversion */
if (laopts->origin_only && lv_is_thin_volume(ondisk_lv) && lv_is_thin_volume(incore_lv))
if (laopts->origin_only && lv_is_thin_volume(lv) && lv_is_thin_volume(lv_pre))
lockfs = 1;
/*
@ -1930,9 +1930,9 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
* inactive table to load or not instead so lv_suspend
* can be called separately for each LV safely.
*/
if ((incore_lv->vg->status & PRECOMMITTED) &&
lv_is_locked(incore_lv) && find_pvmove_lv_in_lv(incore_lv)) {
if (!_lv_suspend_lv(incore_lv, laopts, lockfs, flush_required)) {
if ((lv_pre->vg->status & PRECOMMITTED) &&
lv_is_locked(lv_pre) && find_pvmove_lv_in_lv(lv_pre)) {
if (!_lv_suspend_lv(lv_pre, laopts, lockfs, flush_required)) {
critical_section_dec(cmd, "failed precommitted suspend");
if (pvmove_lv)
critical_section_dec(cmd, "failed precommitted suspend (pvmove)");
@ -1940,7 +1940,7 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
}
} else {
/* Normal suspend */
if (!_lv_suspend_lv(ondisk_lv, laopts, lockfs, flush_required)) {
if (!_lv_suspend_lv(lv, laopts, lockfs, flush_required)) {
critical_section_dec(cmd, "failed suspend");
if (pvmove_lv)
critical_section_dec(cmd, "failed suspend (pvmove)");
@ -1950,11 +1950,11 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
r = 1;
out:
if (incore_lv_to_free)
release_vg(incore_lv_to_free->vg);
if (ondisk_lv_to_free) {
lv_release_replicator_vgs(ondisk_lv_to_free);
release_vg(ondisk_lv_to_free->vg);
if (lv_pre_to_free)
release_vg(lv_pre_to_free->vg);
if (lv_to_free) {
lv_release_replicator_vgs(lv_to_free);
release_vg(lv_to_free->vg);
}
return r;
@ -1967,14 +1967,14 @@ out:
* Returns success if the device is not active
*/
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive,
const struct logical_volume *ondisk_lv, const struct logical_volume *incore_lv)
const struct logical_volume *lv, const struct logical_volume *lv_pre)
{
struct lv_activate_opts laopts = {
.origin_only = origin_only,
.exclusive = exclusive
};
return _lv_suspend(cmd, lvid_s, &laopts, 0, ondisk_lv, incore_lv);
return _lv_suspend(cmd, lvid_s, &laopts, 0, lv, lv_pre);
}
/* No longer used */

2
lib/activate/activate.h
View File

@ -106,7 +106,7 @@ void activation_exit(void);
/* int lv_suspend(struct cmd_context *cmd, const char *lvid_s); */
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive,
const struct logical_volume *lv_ondisk, const struct logical_volume *lv_incore);
const struct logical_volume *lv, const struct logical_volume *lv_pre);
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, const struct logical_volume *lv);
int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s,
unsigned origin_only, unsigned exclusive, unsigned revert, const struct logical_volume *lv);