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Date:   Wed, 11 Sep 2019 11:45:14 -0500
From:   Goldwyn Rodrigues <>
Subject: Fix inode sem regression for nowait

This changes the way we acquire the inode semaphore when
the I/O is marked with IOCB_NOWAIT. The regression was discovered
in AIM7 and later by Andres in ext4. This has been fixed in
XFS by 942491c9e6d6 ("xfs: fix AIM7 regression")

I realized f2fs and btrfs also have the same code and need to
be updated.



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