diff options
| author | NeilBrown <neilb@suse.de> | 2010-08-07 21:17:00 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-13 13:50:36 -0700 |
| commit | ea77f594f059adbc1f5b92650890a86b8464151b (patch) | |
| tree | 89328dc1d22a16b61ed520d5bd725047f5c290e1 /scripts/patch-kernel | |
| parent | 0945d6a3e9242b63be63c31f4759098f94accf9e (diff) | |
md/raid10: fix deadlock with unaligned read during resync
commit 51e9ac77035a3dfcb6fc0a88a0d80b6f99b5edb1 upstream.
If the 'bio_split' path in raid10-read is used while
resync/recovery is happening it is possible to deadlock.
Fix this be elevating ->nr_waiting for the duration of both
parts of the split request.
This fixes a bug that has been present since 2.6.22
but has only started manifesting recently for unknown reasons.
It is suitable for and -stable since then.
Reported-by: Justin Bronder <jsbronder@gentoo.org>
Tested-by: Justin Bronder <jsbronder@gentoo.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions