tmpfs: generate random sb->s_uuid
authorAmir Goldstein <amir73il@gmail.com>
Thu, 18 May 2017 12:29:33 +0000 (15:29 +0300)
committerChristoph Hellwig <hch@lst.de>
Mon, 5 Jun 2017 14:59:19 +0000 (16:59 +0200)
commit2b4db79618ade14a9566455cbbea339f74674789
tree25cb54994838d6cebba0ab3992c3bd97982eedae
parentbf47643389bbc1164c2615dc420ed0010264222e
tmpfs: generate random sb->s_uuid

This is used by overlayfs to encode intrasystem unique file handles.

Suggested-by: Miklos Szeredi <mszeredi@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
mm/shmem.c