Author: jh
Date: Thu Nov 19 14:33:03 2009
New Revision: 199529
URL: http://svn.freebsd.org/changeset/base/199529
Log:
Extend ddb(4) "show mount" command to print active string mount options.
Note that only option names are printed, not values.
Reviewed by: pjd
Approved by: trasz (mentor)
MFC after: 2 weeks
Modified:
head/sys/kern/vfs_subr.c
Modified: head/sys/kern/vfs_subr.c
==============================================================================
--- head/sys/kern/vfs_subr.c Thu Nov 19 13:39:07 2009 (r199528)
+++ head/sys/kern/vfs_subr.c Thu Nov 19 14:33:03 2009 (r199529)
@@ -2761,6 +2761,7 @@ DB_SHOW_COMMAND(vnode, db_show_vnode)
DB_SHOW_COMMAND(mount, db_show_mount)
{
struct mount *mp;
+ struct vfsopt *opt;
struct statfs *sp;
struct vnode *vp;
char buf[512];
@@ -2866,6 +2867,18 @@ DB_SHOW_COMMAND(mount, db_show_mount)
}
db_printf(" mnt_kern_flag = %s\n", buf);
+ db_printf(" mnt_opt = ");
+ opt = TAILQ_FIRST(mp->mnt_opt);
+ if (opt != NULL) {
+ db_printf("%s", opt->name);
+ opt = TAILQ_NEXT(opt, link);
+ while (opt != NULL) {
+ db_printf(", %s", opt->name);
+ opt = TAILQ_NEXT(opt, link);
+ }
+ }
+ db_printf("\n");
+
sp = &mp->mnt_stat;
db_printf(" mnt_stat = { version=%u type=%u flags=0x%016jx "
"bsize=%ju iosize=%ju blocks=%ju bfree=%ju bavail=%jd files=%ju "
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