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(parent: 3ad464d) | 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 15:38:51 +0000 (16:38 +0100)
commit592de1000694bdc9ce6d4233efca27a490009e06
tree4236359341865bef118534a7b50b594208987a7ftree | snapshot
parent3ad464dadb7c7abdaf11efe283e2c2679ef55057commit | 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
Linux Kernel tree with some unpolished code for Colibri/Apalis modules