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(parent: 5129fa4) | patch
use ->d_seq to get coherency between ->d_inode and ->d_flags
authorAl Viro <viro@zeniv.linux.org.uk>
Mon, 29 Feb 2016 17:12:46 +0000 (12:12 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 29 Feb 2016 17:16:43 +0000 (12:16 -0500)
commita528aca7f359f4b0b1d72ae406097e491a5ba9ea
tree26b95bc4e207d3bd6afc11affbfa0fe85ac53b6atree | snapshot (tar.gz zip)
parent5129fa482b16615fd4464d2f5d23acb1b7056c66commit | diff
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>
fs/dcache.c diff | blob | blame | history
include/linux/dcache.h diff | blob | blame | history