Al Viro a528aca7f3 use ->d_seq to get coherency between ->d_inode and ->d_flags ...

Games with ordering and barriers are way too brittle.  Just
bump ->d_seq before and after updating ->d_inode and ->d_flags
type bits, so that verifying ->d_seq would guarantee they are
coherent.

Cc: stable@vger.kernel.org # v3.13+
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2016-02-29 12:16:43 -05:00

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