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(parent: ab69d3a) | patch
ovl: fsync after copy-up
authorMiklos Szeredi <mszeredi@redhat.com>
Mon, 31 Oct 2016 13:42:14 +0000 (14:42 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Nov 2016 15:36:34 +0000 (16:36 +0100)
commite3d312c435dd98a8b7a8dbaca9568f20449d5e47
treed103d7f6c8129be50f7df7071c824aa2d4d86c3atree | snapshot
parentab69d3a03e2253b3029447887a8883606e7be844commit | diff
ovl: fsync after copy-up

commit 641089c1549d8d3df0b047b5de7e9a111362cdce upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/overlayfs/copy_up.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.