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KVM: Specify byte order for KVM_EXIT_MMIO
[deliverable/linux.git]
/
block
/
blk-lib.c
diff --git
a/block/blk-lib.c
b/block/blk-lib.c
index 2da76c999ef3f37bd965f9d91b48dac43196a208..97a733cf3d5f925d1eede00d0dbca63f3565fd38 100644
(file)
--- a/
block/blk-lib.c
+++ b/
block/blk-lib.c
@@
-119,6
+119,14
@@
int blkdev_issue_discard(struct block_device *bdev, sector_t sector,
atomic_inc(&bb.done);
submit_bio(type, bio);
atomic_inc(&bb.done);
submit_bio(type, bio);
+
+ /*
+ * We can loop for a long time in here, if someone does
+ * full device discards (like mkfs). Be nice and allow
+ * us to schedule out to avoid softlocking if preempt
+ * is disabled.
+ */
+ cond_resched();
}
blk_finish_plug(&plug);
}
blk_finish_plug(&plug);
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