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(parent: b93d4a0) | patch
ovl: fsync after copy-up
authorMiklos Szeredi <mszeredi@redhat.com>
Mon, 31 Oct 2016 13:42:14 +0000 (14:42 +0100)
committerMiklos Szeredi <mszeredi@redhat.com>
Mon, 31 Oct 2016 13:42:14 +0000 (14:42 +0100)
commit641089c1549d8d3df0b047b5de7e9a111362cdce
tree67e66cc4416dd6ba0beda9304cc3b5c242a39003tree | snapshot
parentb93d4a0eb308d4400b84c8b24c1b80e09a9497d0commit | diff
ovl: fsync after copy-up

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>
fs/overlayfs/copy_up.c diff | blob | history
John Crispins staging tree