When sysfs_set_array() function is called, it tests if array
can be configured using sysfs. Setting metadata_version entry
can accidentally unblock mdmon when array is under reshape.
To avoid this, blocking character '-' is checked and if is is set,
it is used for array test.
Signed-off-by: Adam Kwolek <adam.kwolek@xxxxxxxxx>
---
sysfs.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/sysfs.c b/sysfs.c
index 2146264..903202d 100644
--- a/sysfs.c
+++ b/sysfs.c
@@ -541,7 +541,17 @@ int sysfs_set_array(struct mdinfo *info, int vers)
ver[0] = 0;
if (info->array.major_version == -1 &&
info->array.minor_version == -2) {
+ char buf[1024];
strcat(strcpy(ver, "external:"), info->text_version);
+ if (sysfs_get_str(info, NULL, "metadata_version",
+ buf, 1024) > 0) {
+ /* Testing string should not affect
+ * monitor blocking functionality
+ * Set blocking character if present in sysfs already
+ */
+ if (buf[9] == '-')
+ ver[9] = '-';
+ }
if ((vers % 100) < 2 ||
sysfs_set_str(info, NULL, "metadata_version",
--
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