fs: omfs: Initialize filesystem timestamp ranges

Fill in the appropriate limits to avoid inconsistencies
in the vfs cached inode times when timestamps are
outside the permitted range.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Jeff Layton <jlayton@kernel.org>
Cc: me@bobcopeland.com
Cc: linux-karma-devel@lists.sourceforge.net

fs/omfs/inode.c

@@ -478,6 +478,10 @@ static int omfs_fill_super(struct super_block *sb, void *data, int silent)
 
 	sb->s_maxbytes = 0xffffffff;
 
+	sb->s_time_gran = NSEC_PER_MSEC;
+	sb->s_time_min = 0;
+	sb->s_time_max = U64_MAX / MSEC_PER_SEC;
+
 	sb_set_blocksize(sb, 0x200);
 
 	bh = sb_bread(sb, 0);