mount: consolidate permission checks
authorAl Viro <viro@zeniv.linux.org.uk>
Sat, 23 Feb 2013 03:49:10 +0000 (22:49 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Sat, 23 Feb 2013 04:31:31 +0000 (23:31 -0500)
... and ask for global CAP_SYS_ADMIN only for superblock-level remounts

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

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