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authorKent Overstreet <kmo@daterainc.com>2013-09-24 08:17:32 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-24 23:41:43 +0200
commit1394d6761b6e9e15ee7c632a6d48791188727b40 (patch)
tree0ae9311ab15399b19ad53c8232b657d2b2b84ed5 /drivers
parentbcache: Fix a writeback performance regression (diff)
downloadlinux-1394d6761b6e9e15ee7c632a6d48791188727b40.tar.xz
linux-1394d6761b6e9e15ee7c632a6d48791188727b40.zip
bcache: Fix a flush/fua performance bug
bch_journal_meta() was missing the flush to make the journal write actually go down (instead of waiting up to journal_delay_ms)... Whoops Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: linux-stable <stable@vger.kernel.org> # >= v3.10 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/md/bcache/journal.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index f5203dfc4cfe..8435f81e5d85 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -695,6 +695,7 @@ void bch_journal_meta(struct cache_set *c, struct closure *cl)
if (cl)
BUG_ON(!closure_wait(&w->wait, cl));
+ closure_flush(&c->journal.io);
__journal_try_write(c, true);
}
}