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authorChristoph Hellwig <hch@infradead.org>2011-08-23 14:50:29 +0200
committerJens Axboe <jaxboe@fusionio.com>2011-08-23 14:50:29 +0200
commit65299a3b788bd274bed92f9fa3232082c9f3ea70 (patch)
tree191c0afe31c15ac4c1bab96e0a07fddb097d0de8 /fs/gfs2/quota.c
parent5dc06c5a70b79a323152bec7e55783e705767e63 (diff)
block: separate priority boosting from REQ_META
Add a new REQ_PRIO to let requests preempt others in the cfq I/O schedule, and lave REQ_META purely for marking requests as metadata in blktrace. All existing callers of REQ_META except for XFS are updated to also set REQ_PRIO for now. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'fs/gfs2/quota.c')
-rw-r--r--fs/gfs2/quota.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 053434049db..0e8bb13381e 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -709,7 +709,7 @@ get_a_page:
set_buffer_uptodate(bh);
if (!buffer_uptodate(bh)) {
- ll_rw_block(READ | REQ_META, 1, &bh);
+ ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh);
wait_on_buffer(bh);
if (!buffer_uptodate(bh))
goto unlock_out;