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fix: adding spare via incremental do not trigger recovery 

After incremental has added spare, monitor should be woken up in order
to see if anything has changed. If mdmon is not waken up, recovery do not
start.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Przemyslaw Czarnowski 2010-12-21 09:10:32 +11:00 committed by NeilBrown
parent 5ec0f3738a
commit ed690d36e2
1 changed files with 9 additions and 0 deletions
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9
Incremental.c
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@ -443,6 +443,7 @@ int Incremental(char *devname, int verbose, int runstop,
/* 7/ Is there enough devices to possibly start the array? */
/* 7a/ if not, finish with success. */
if (info.array.level == LEVEL_CONTAINER) {
char *devname = NULL;
/* Try to assemble within the container */
map_unlock(&map);
sysfs_uevent(&info, "change");
@ -451,6 +452,8 @@ int Incremental(char *devname, int verbose, int runstop,
": container %s now has %d devices\n",
chosen_name, info.array.working_disks);
wait_for(chosen_name, mdfd);
if (st->ss->external)
devname = devnum2devname(fd2devnum(mdfd));
close(mdfd);
sysfs_free(sra);
rv = Incremental(chosen_name, verbose, runstop,
@ -460,6 +463,12 @@ int Incremental(char *devname, int verbose, int runstop,
* have enough devices to start yet
*/
rv = 0;
/* after spare is added, ping monitor for external metadata
* so that it can eg. try to rebuild degraded array */
if (st->ss->external) {
ping_monitor(devname);
free(devname);
}
return rv;
}