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mount: ignore unknown mount options when remounting NFS mounts

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Don't fail on unknown nfs mount options. The kernel automatically
adds a few mount options that we don't currently handle, like:

	sec=null|sys|krb5..
	mountaddr=<ip>
	mountproto=tcp|udp
	local_lock=none|all|flock|posix

Which causes a simple mount -o remount,rw <mountpoint> to fail.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Peter Korsgaard 2011-02-21 17:52:13 +01:00 committed by Denys Vlasenko
parent 945fd173e9
commit 301fe50ca2
1 changed files with 3 additions and 0 deletions
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3
util-linux/mount.c
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@ -1129,6 +1129,9 @@ static NOINLINE int nfsmount(struct mntent *mp, long vfsflags, char *filteropts)
continue;
case 20: // "addr" - ignore
continue;
case -1: // unknown
if (vfsflags & MS_REMOUNT)
continue;
}
val = xatoi_positive(opteq);