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From 13ffbe89b6103c146c08eb1c9a70833306c8322b Mon Sep 17 00:00:00 2001
From: Pawel Baldysiak <pawel.baldysiak@intel.com>
Date: Wed, 16 Jul 2014 12:20:34 +0200
Subject: [PATCH 14/14] Grow: Do not try to restart if reshape is running
Grow process did not check if reshape is already started
when deciding about restarting.
Sync_action should be checked in this case, and if
reshape is running - restart flag should not be set.
Otherwise, Grow process will fail to write data to
sysfs, and reshape will not be continued.
Signed-off-by: Pawel Baldysiak <pawel.baldysiak@intel.com>
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
Grow.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Grow.c b/Grow.c
index a2f4f14..ea9cc60 100644
--- a/Grow.c
+++ b/Grow.c
@@ -2822,6 +2822,7 @@ static int reshape_array(char *container, int fd, char *devname,
unsigned long long array_size;
int done;
struct mdinfo *sra = NULL;
+ char buf[20];
/* when reshaping a RAID0, the component_size might be zero.
* So try to fix that up.
@@ -2869,7 +2870,9 @@ static int reshape_array(char *container, int fd, char *devname,
goto release;
}
- if (st->ss->external && restart && (info->reshape_progress == 0)) {
+ if (st->ss->external && restart && (info->reshape_progress == 0) &&
+ !((sysfs_get_str(info, NULL, "sync_action", buf, sizeof(buf)) > 0) &&
+ (strncmp(buf, "reshape", 7) == 0))) {
/* When reshape is restarted from '0', very begin of array
* it is possible that for external metadata reshape and array
* configuration doesn't happen.
--
2.0.0
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