fs/befs: return f_fsid for statfs(2)

Make befs return f_fsid info for statfs(2).

Signed-off-by: Coly Li <[e-mail]>
Cc: Sergey S. Kostyliov <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

fs/befs/linuxvfs.c

···
 befs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct super_block *sb = dentry->d_sb;
+	u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
 
 	befs_debug(sb, "---> befs_statfs()");
 
···
 	buf->f_bavail = buf->f_bfree;
 	buf->f_files = 0;	/* UNKNOWN */
 	buf->f_ffree = 0;	/* UNKNOWN */
+	buf->f_fsid.val[0] = (u32)id;
+	buf->f_fsid.val[1] = (u32)(id >> 32);
 	buf->f_namelen = BEFS_NAME_LEN;
 
 	befs_debug(sb, "<--- befs_statfs()");