On Wed, Jun 23, 2010 at 02:37:27PM -0500, Eric Sandeen wrote: > Commit 6b0310fbf087ad6 caused a regression resulting in deadlocks > when freezing a filesystem which had active IO; the vfs_check_frozen > level (SB_FREEZE_WRITE) did not let the freeze-related IO syncing > through. Duh. > > Changing the test to FREEZE_TRANS should let the normal freeze > syncing get through the fs, but still block any transactions from > starting once the fs is completely frozen. > > I tested this by running fsstress in the background while periodically > snapshotting the fs and running fsck on the result. I ran into > occasional deadlocks, but different ones. I think this is a > fine fix for the problem at hand, and the other deadlocky things > will need more investigation. > > Reported-by: Phillip Susi <psusi@xxxxxxxxxx> > Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx> Applied to the ext4 patch queue. Sorry for missing this earier. - Ted -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
