[src/trunk]: src/sys/ufs/lfs Prune unused stuff from struct ulfsmount.

[dholland <dholland%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8dc337d624c4
branches:  trunk
changeset: 788892:8dc337d624c4
user:      dholland <dholland%NetBSD.org@localhost>
date:      Sun Jul 28 00:28:05 2013 +0000

description:
Prune unused stuff from struct ulfsmount.

diffstat:

 sys/ufs/lfs/ulfsmount.h |  12 ++----------
 1 files changed, 2 insertions(+), 10 deletions(-)

diffs (45 lines):

diff -r 7d81865a5909 -r 8dc337d624c4 sys/ufs/lfs/ulfsmount.h
--- a/sys/ufs/lfs/ulfsmount.h   Sat Jul 27 19:25:23 2013 +0000
+++ b/sys/ufs/lfs/ulfsmount.h   Sun Jul 28 00:28:05 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ulfsmount.h,v 1.7 2013/06/08 02:13:33 dholland Exp $   */
+/*     $NetBSD: ulfsmount.h,v 1.8 2013/07/28 00:28:05 dholland Exp $   */
 /*  from NetBSD: ufsmount.h,v 1.39 2012/10/19 17:09:08 drochner Exp  */
 
 /*
@@ -62,10 +62,7 @@
        struct  vnode *um_devvp;                /* block device mounted vnode */
        u_long  um_fstype;
        u_int32_t um_flags;                     /* ULFS-specific flags - see below */
-       union {                                 /* pointer to superblock */
-               struct  lfs *lfs;               /* LFS */
-       } ulfsmount_u;
-#define        um_lfs  ulfsmount_u.lfs
+       struct lfs *um_lfs;                     /* pointer to superblock */
 
        /* Extended attribute information. */
        struct ulfs_extattr_per_mount um_extattr;
@@ -76,7 +73,6 @@
        u_long  um_lognindir;                   /* log2 of um_nindir */
        u_long  um_bptrtodb;                    /* indir ptr to disk block */
        u_long  um_seqinc;                      /* inc between seq blocks */
-       kmutex_t um_lock;                       /* lock on global data */
        union {
            struct um_q1 {
                time_t  q1_btime[ULFS_MAXQUOTAS];       /* block quota time limit */
@@ -94,15 +90,11 @@
 #define umq2_bsize  um_q.um_q2.q2_bsize
 #define umq2_bmask  um_q.um_q2.q2_bmask
 
-       void    *um_oldfscompat;                /* save 4.2 rotbl */
        int     um_maxsymlinklen;
        int     um_dirblksiz;
        u_int64_t um_maxfilesize;
-       void    *um_snapinfo;                   /* snapshot private data */
 
        const struct ulfs_ops *um_ops;
-
-       void *um_discarddata;
 };
 
 struct ulfs_ops {