linux

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History

Lars Ellenberg 3f3a9b849d drbd: fix race on meta-data update

The race:
	drbd_md_mark_dirty()
	drbd_md_sync()
		if (!test_and_clear_bit(MD_DIRTY, &mdev->flags))
			return;
		drbd_md_sync_page_io(mdev, mdev->ldev, sector, WRITE)
  ==> RACE
		clear_bit(MD_DIRTY, &mdev->flags); <== spurious

Fixed by removing the spurious clear_bit.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

2010-10-14 18:38:28 +02:00

drbd_actlog.c

drbd: reduce code duplication when receiving data requests

2010-10-14 18:38:19 +02:00

drbd_bitmap.c

drbd: Disable activity log updates when the whole device is out of sync

2010-10-14 18:38:26 +02:00

drbd_int.h

drbd: Disable activity log updates when the whole device is out of sync

2010-10-14 18:38:26 +02:00

drbd_main.c

drbd: fix race on meta-data update