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(parent: c0b309f) | patch
ovl: fsync after copy-up
authorMiklos Szeredi <mszeredi@redhat.com>
Mon, 31 Oct 2016 13:42:14 +0000 (14:42 +0100)
committerSasha Levin <alexander.levin@verizon.com>
Sat, 26 Nov 2016 03:57:03 +0000 (22:57 -0500)
commit83a474ed7003b7065d3816d84dd0168f02a0ee94
treeab1a3e627d775868e709dad18240e9fd8230b1d1tree | snapshot
parentc0b309f18b0144aca3a0abc7fbaa5ab0dc82394ccommit | diff
ovl: fsync after copy-up

[ Upstream commit 641089c1549d8d3df0b047b5de7e9a111362cdce ]

Make sure the copied up file hits the disk before renaming to the final
destination.  If this is not done then the copy-up may corrupt the data in
the file in case of a crash.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
fs/overlayfs/copy_up.c diff | blob | history
wrapfs-4.13.y