device-mapper-multipath/0171-UPBZ-1356651-allow-zero-size.patch

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device-mapper-multipath-0.4.9-83 Modify 0135-RHBZ-1299600-path-dev-uevents.patch * trigger uevents when adding wwids for existing devices during startup Refresh 0136-RHBZ-1304687-wait-for-map-add.patch Refresh 0150-RHBZ-1253913-fix-startup-msg.patch Modify 0159-UPBZ-1255885-udev-waits.patch * fix bug in failure path Add 0160-RH-udev-flags.patch Add 0161-RHBZ-1311659-no-kpartx.patch * skip_kpartx option disables kpartx running on multipath devices Add 0162-RHBZ-1333331-huawei-config.patch * Add default config for Huawei XSG1 array Add 0163-UPBZ-1333492-resize-map.patch * restore old size if resize fails Add 0164-RHBZ-1311463-dos-part-rollover.patch * fix incorrect partition size due to 4k device size rollover Add 0165-UPBZ-1341748-MSA-2040-conf.patch * Add default config for MSA 2040 array Add 0166-RHBZ-1323429-dont-allow-new-wwid.patch * don't allow path wwid to change while it is in use Add 0167-RHBZ-1335176-fix-show-cmds.patch * and new show multipath format wildcard, 'f' to sho number of failures. This will hopefully be useful for tracking what happens to multipath devices for bz #1335176 Add 0168-RHBZ-1347769-shared-lock.patch * make multipath lock the path devices with a shared lock Add 0169-UPBZ-1353357-json-output.patch * add mulitpathd json output command Add 0170-UPBZ-1352925-fix-typo.patch Add 0171-UPBZ-1356651-allow-zero-size.patch * Allow zero-sized paths to be added to a multipath device Add 0172-RHBZ-1350931-no-active-add.patch * Allow paths to be added to a new map if no active paths exist. Also fixes 1351430
2016-07-22 20:20:02 +00:00
---
libmultipath/discovery.c | 5 +++++
libmultipath/structs_vec.c | 2 +-
multipathd/main.c | 26 +++++---------------------
3 files changed, 11 insertions(+), 22 deletions(-)
Index: multipath-tools-130222/libmultipath/discovery.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/discovery.c
+++ multipath-tools-130222/libmultipath/discovery.c
@@ -1188,6 +1188,11 @@ pathinfo (struct path *pp, vector hwtabl
if (pp->state == PATH_UNCHECKED ||
pp->state == PATH_WILD)
goto blank;
+ if (pp->state == PATH_UP && !pp->size) {
+ condlog(3, "%s: device size is 0, "
+ "path unuseable", pp->dev);
+ pp->state = PATH_GHOST;
+ }
} else {
condlog(3, "%s: path inaccessible", pp->dev);
pp->chkrstate = pp->state = path_state;
Index: multipath-tools-130222/libmultipath/structs_vec.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/structs_vec.c
+++ multipath-tools-130222/libmultipath/structs_vec.c
@@ -551,7 +551,7 @@ int update_multipath (struct vectors *ve
if (pp->state != PATH_DOWN) {
int oldstate = pp->state;
- condlog(2, "%s: mark as failed", pp->dev_t);
+ condlog(2, "%s: mark as failed", pp->dev);
mpp->stat_path_failures++;
pp->state = PATH_DOWN;
if (oldstate == PATH_UP ||
Index: multipath-tools-130222/multipathd/main.c
===================================================================
--- multipath-tools-130222.orig/multipathd/main.c
+++ multipath-tools-130222/multipathd/main.c
@@ -538,15 +538,10 @@ ev_add_path (struct path * pp, struct ve
pp->mpp = mpp;
rescan:
if (mpp) {
- if ((!pp->size) || (mpp->size != pp->size)) {
- if (!pp->size)
- condlog(0, "%s: failed to add new path %s, "
- "device size is 0",
- mpp->alias, pp->dev);
- else
- condlog(0, "%s: failed to add new path %s, "
- "device size mismatch",
- mpp->alias, pp->dev);
+ if (pp->size && mpp->size != pp->size) {
+ condlog(0, "%s: failed to add new path %s, "
+ "device size mismatch",
+ mpp->alias, pp->dev);
int i = find_slot(vecs->pathvec, (void *)pp);
if (i != -1)
vector_del_slot(vecs->pathvec, i);
@@ -563,18 +558,7 @@ rescan:
verify_paths(mpp, vecs, NULL);
mpp->flush_on_last_del = FLUSH_UNDEF;
mpp->action = ACT_RELOAD;
- }
- else {
- if (!pp->size) {
- condlog(0, "%s: failed to create new map,"
- " device size is 0 ", pp->dev);
- int i = find_slot(vecs->pathvec, (void *)pp);
- if (i != -1)
- vector_del_slot(vecs->pathvec, i);
- free_path(pp);
- return 1;
- }
-
+ } else {
if (!should_multipath(pp, vecs->pathvec)) {
orphan_path(pp);
return 0;