[Bug 585092] Re: tmpfs umount slowdown

[Brian Bloniarz]

I took a crack at backporting the patches from the upstream buglink.

I cherrypicked the three patches I mentioned above, and reverted
http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-
lucid.git;a=commit;h=5e1941884c700b7b97bcad52c2d8212ac56a7ebc (the
workaround from 543617). The backports are attached: 2 of the
cherrypicks were not clean and I'm not exactly an FS expert, but it
works for me.

** Patch added: "0001-writeback-fix-WB_SYNC_NONE-writeback-from-umount.patch"
   http://launchpadlibrarian.net/49092619/0001-writeback-fix-WB_SYNC_NONE-writeback-from-umount.patch

-- 
tmpfs umount slowdown
https://bugs.launchpad.net/bugs/585092
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