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