On Wed, Feb 17, 2016 at 02:41:25PM -0800, Tahsin Erdogan wrote:

With this patch, I am starting to have issues running fsck immediately
after umount.

*** fsck.ext4 output ***
fsck from util-linux-ng 2.17.2
e2fsck 1.42.12-gg3 (9-Sep-2014)
Warning!  /dev/sdb3 is in use.
Pass 1: Checking inodes, blocks, and sizes
Deleted inode 62346243 has zero dtime.  Fix? no

Yeah, that'd be one of the side effects.  Will think more about it.
Jan, do you know why we have both s_active and the rwsem at this
point?  I can't tell why both are needed.

Thanks.

-- 
tejun