The patch titled
md: fix up maintenance of ->degraded in multipath
has been removed from the -mm tree. Its filename was
md-fix-up-maintenance-of-degraded-in-multipath.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: md: fix up maintenance of ->degraded in multipath
From: NeilBrown <neilb@xxxxxxx>
A recent fix which made sure ->degraded was initialised properly exposed a
second bug - ->degraded wasn't been updated when drives failed or were
hot-added.
Signed-off-by: Neil Brown <neilb@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/md/multipath.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN drivers/md/multipath.c~md-fix-up-maintenance-of-degraded-in-multipath drivers/md/multipath.c
--- a/drivers/md/multipath.c~md-fix-up-maintenance-of-degraded-in-multipath
+++ a/drivers/md/multipath.c
@@ -277,6 +277,7 @@ static void multipath_error (mddev_t *md
set_bit(Faulty, &rdev->flags);
set_bit(MD_CHANGE_DEVS, &mddev->flags);
conf->working_disks--;
+ mddev->degraded++;
printk(KERN_ALERT "multipath: IO failure on %s,"
" disabling IO path. \n Operation continuing"
" on %d IO paths.\n",
@@ -336,6 +337,7 @@ static int multipath_add_disk(mddev_t *m
blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9);
conf->working_disks++;
+ mddev->degraded--;
rdev->raid_disk = path;
set_bit(In_sync, &rdev->flags);
rcu_assign_pointer(p->rdev, rdev);
_
Patches currently in -mm which might be from neilb@xxxxxxx are
origin.patch
lockdep-annotate-nfs-nfsd-in-kernel-sockets.patch
lockdep-annotate-nfs-nfsd-in-kernel-sockets-tidy.patch
remove-lock_key-approach-to-managing-nested-bd_mutex-locks.patch
simplify-some-aspects-of-bd_mutex-nesting.patch
use-mutex_lock_nested-for-bd_mutex-to-avoid-lockdep-warning.patch
avoid-lockdep-warning-in-md.patch
lockdep-annotate-nfsd4-recover-code.patch
md-conditionalize-some-code.patch
md-dm-reduce-stack-usage-with-stacked-block-devices.patch
-
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