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authorLinus Torvalds <torvalds@linux-foundation.org>2012-08-01 09:06:47 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-01 09:06:47 -0700
commiteff0d13f3823f35d70228cd151d2a2c89288ff32 (patch)
tree55bff4dbcc43c4b0f38509ac4de585c0c457980c /drivers/md/raid5.c
parent8cf1a3fce0b95050b63d451c9d561da0da2aa4d6 (diff)
parent10af8138eb6d09d6a768e43ef1aa9b2f16b8c7be (diff)
downloadop-kernel-dev-eff0d13f3823f35d70228cd151d2a2c89288ff32.zip
op-kernel-dev-eff0d13f3823f35d70228cd151d2a2c89288ff32.tar.gz
Merge branch 'for-3.6/drivers' of git://git.kernel.dk/linux-block
Pull block driver changes from Jens Axboe: - Making the plugging support for drivers a bit more sane from Neil. This supersedes the plugging change from Shaohua as well. - The usual round of drbd updates. - Using a tail add instead of a head add in the request completion for ndb, making us find the most completed request more quickly. - A few floppy changes, getting rid of a duplicated flag and also running the floppy init async (since it takes forever in boot terms) from Andi. * 'for-3.6/drivers' of git://git.kernel.dk/linux-block: floppy: remove duplicated flag FD_RAW_NEED_DISK blk: pass from_schedule to non-request unplug functions. block: stack unplug blk: centralize non-request unplug handling. md: remove plug_cnt feature of plugging. block/nbd: micro-optimization in nbd request completion drbd: announce FLUSH/FUA capability to upper layers drbd: fix max_bio_size to be unsigned drbd: flush drbd work queue before invalidate/invalidate remote drbd: fix potential access after free drbd: call local-io-error handler early drbd: do not reset rs_pending_cnt too early drbd: reset congestion information before reporting it in /proc/drbd drbd: report congestion if we are waiting for some userland callback drbd: differentiate between normal and forced detach drbd: cleanup, remove two unused global flags floppy: Run floppy initialization asynchronous
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r--drivers/md/raid5.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 259f519..87a2d0b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4562,7 +4562,7 @@ static void raid5d(struct mddev *mddev)
while (1) {
struct bio *bio;
- if (atomic_read(&mddev->plug_cnt) == 0 &&
+ if (
!list_empty(&conf->bitmap_list)) {
/* Now is a good time to flush some bitmap updates */
conf->seq_flush++;
@@ -4572,8 +4572,7 @@ static void raid5d(struct mddev *mddev)
conf->seq_write = conf->seq_flush;
activate_bit_delay(conf);
}
- if (atomic_read(&mddev->plug_cnt) == 0)
- raid5_activate_delayed(conf);
+ raid5_activate_delayed(conf);
while ((bio = remove_bio_from_retry(conf))) {
int ok;
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