qubes-linux-kernel/patches.suse/dm-raid45-api-update-no-barriers
2011-04-19 22:09:59 +02:00

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From: Jeff Mahoney <jeffm@suse.com>
Subject: dm-raid45: api update after removal of barriers
Patch-mainline: Whenever dmraid45 is
This patch updates dm-raid45 to deal with the removal of the
barrier interface.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---
drivers/md/dm-raid45.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
--- a/drivers/md/dm-raid45.c
+++ b/drivers/md/dm-raid45.c
@@ -196,10 +195,6 @@ enum chunk_flags {
CHUNK_UPTODATE, /* Chunk pages are uptodate. */
};
-#if READ != 0 || WRITE != 1
-#error dm-raid45: READ/WRITE != 0/1 used as index!!!
-#endif
-
enum bl_type {
WRITE_QUEUED = WRITE + 1,
WRITE_MERGED,
@@ -3276,7 +3271,7 @@ static void do_ios(struct raid_set *rs,
* the input queue unless all work queues are empty
* and the stripe cache is inactive.
*/
- if (unlikely(bio_empty_barrier(bio))) {
+ if (bio->bi_rw & REQ_FLUSH) {
/* REMOVEME: statistics. */
atomic_inc(rs->stats + S_BARRIER);
if (delay ||