forked from pool/mdadm
48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
|
From 922a58292fafa4efcfcd44fbc46b0665681c955a Mon Sep 17 00:00:00 2001
|
||
|
|
From: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
|
||
|
|
Date: Fri, 9 Jun 2017 16:20:19 +0200
|
||
|
|
Subject: [PATCH] Grow: don't allow to enable PPL when reshape is in progress
|
||
|
|
|
||
|
|
Don't allow to enable PPL consistency policy when reshape is in progress.
|
||
|
|
Current PPL implementation doesn't work when reshape is taking place.
|
||
|
|
|
||
|
|
Signed-off-by: Tomasz Majchrzak <tomasz.majchrzak@intel.com>
|
||
|
|
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
|
||
|
|
---
|
||
|
|
Grow.c | 12 ++++++++++++
|
||
|
|
1 file changed, 12 insertions(+)
|
||
|
|
|
||
|
|
diff --git a/Grow.c b/Grow.c
|
||
|
|
index f7325cb..b1cb306 100644
|
||
|
|
--- a/Grow.c
|
||
|
|
+++ b/Grow.c
|
||
|
|
@@ -530,6 +530,7 @@ int Grow_consistency_policy(char *devname, int fd, struct context *c, struct sha
|
||
|
|
char *subarray = NULL;
|
||
|
|
int ret = 0;
|
||
|
|
char container_dev[PATH_MAX];
|
||
|
|
+ char buf[20];
|
||
|
|
|
||
|
|
if (s->consistency_policy != CONSISTENCY_POLICY_RESYNC &&
|
||
|
|
s->consistency_policy != CONSISTENCY_POLICY_PPL) {
|
||
|
|
@@ -577,6 +578,17 @@ int Grow_consistency_policy(char *devname, int fd, struct context *c, struct sha
|
||
|
|
goto free_info;
|
||
|
|
}
|
||
|
|
|
||
|
|
+ if (s->consistency_policy == CONSISTENCY_POLICY_PPL) {
|
||
|
|
+ if (sysfs_get_str(sra, NULL, "sync_action", buf, 20) <= 0) {
|
||
|
|
+ ret = 1;
|
||
|
|
+ goto free_info;
|
||
|
|
+ } else if (strcmp(buf, "reshape\n") == 0) {
|
||
|
|
+ pr_err("PPL cannot be enabled when reshape is in progress\n");
|
||
|
|
+ ret = 1;
|
||
|
|
+ goto free_info;
|
||
|
|
+ }
|
||
|
|
+ }
|
||
|
|
+
|
||
|
|
if (subarray) {
|
||
|
|
char *update;
|
||
|
|
|
||
|
|
--
|
||
|
|
2.12.0
|
||
|
|
|