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authorNeilBrown <neilb@suse.de>2009-09-23 18:10:29 +1000
committerNeilBrown <neilb@suse.de>2009-09-23 18:10:29 +1000
commit3fa841d7e7266f6fcc1b3885b905f5153ba897d8 (patch)
tree7afa971a10eddcf52787340ea43fa1e910b5805b /drivers/md/md.h
parent0da3c6194ec2f32617b272df4505a1cf022faea5 (diff)
downloadblackbird-op-linux-3fa841d7e7266f6fcc1b3885b905f5153ba897d8.tar.gz
blackbird-op-linux-3fa841d7e7266f6fcc1b3885b905f5153ba897d8.zip
md: report device as congested when suspended
This should writeback from coming when the device is temporarily suspended. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/md.h')
-rw-r--r--drivers/md/md.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h
index f55d2ff95133..f184b69ef337 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -430,6 +430,7 @@ extern void md_write_end(mddev_t *mddev);
extern void md_done_sync(mddev_t *mddev, int blocks, int ok);
extern void md_error(mddev_t *mddev, mdk_rdev_t *rdev);
+extern int mddev_congested(mddev_t *mddev, int bits);
extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
sector_t sector, int size, struct page *page);
extern void md_super_wait(mddev_t *mddev);
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