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Don't update superblock if mounted readonly,

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also fixes some problems with softupdates on root.
More cleanups are needed here..
Submitted by: Luoqi Chen <luoqi@watermarkgroup.com>
This commit is contained in:
Julian Elischer 1998-07-08 23:52:27 +00:00
parent 8ffc434538
commit bcbd6c6fdd
1 changed files with 15 additions and 8 deletions
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23
sys/ufs/ffs/ffs_vfsops.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ffs_vfsops.c 8.31 (Berkeley) 5/20/95
* $Id: ffs_vfsops.c,v 1.82 1998/05/18 06:38:18 julian Exp $
* $Id: ffs_vfsops.c,v 1.83 1998/06/04 17:21:39 dfr Exp $
*/
#include "opt_devfs.h" /* for SLICE */
@ -148,6 +148,7 @@ ffs_mount( mp, path, data, ndp, p)
register struct fs *fs;
int error, flags;
mode_t accessmode;
int ronly = 0;
/*
* Use NULL path to flag a root mount
@ -207,6 +208,7 @@ ffs_mount( mp, path, data, ndp, p)
fs = ump->um_fs;
devvp = ump->um_devvp;
err = 0;
ronly = fs->fs_ronly; /* MNT_RELOAD might change this */
if (bdevsw[major(ump->um_dev)]->d_flags & D_NOCLUSTERR)
mp->mnt_flag |= MNT_NOCLUSTERR;
if (bdevsw[major(ump->um_dev)]->d_flags & D_NOCLUSTERW)
@ -226,7 +228,7 @@ ffs_mount( mp, path, data, ndp, p)
if (err) {
goto error_1;
}
if (fs->fs_ronly && (mp->mnt_kern_flag & MNTK_WANTRDWR)) {
if (ronly && (mp->mnt_kern_flag & MNTK_WANTRDWR)) {
if (!fs->fs_clean) {
if (mp->mnt_flag & MNT_FORCE) {
printf("WARNING: %s was not properly dismounted.\n",fs->fs_fsmnt);
@ -259,7 +261,7 @@ ffs_mount( mp, path, data, ndp, p)
goto error_1;
}
fs->fs_ronly = 0;
ronly = 0;
}
/*
* Soft updates is incompatible with "async",
@ -271,10 +273,6 @@ ffs_mount( mp, path, data, ndp, p)
if (mp->mnt_flag & MNT_SOFTDEP) {
mp->mnt_flag &= ~MNT_ASYNC;
}
if (fs->fs_ronly == 0) {
fs->fs_clean = 0;
ffs_sbupdate(ump, MNT_WAIT);
}
/* if not updating name...*/
if (args.fspec == 0) {
/*
@ -410,7 +408,16 @@ ffs_mount( mp, path, data, ndp, p)
error_1: /* no state to back out*/
success:
return( err);
if (!err && path && (mp->mnt_flag & MNT_UPDATE)) {
/* update superblock after ro -> rw update */
fs = ump->um_fs;
if (!ronly && fs->fs_ronly) {
fs->fs_ronly = 0;
fs->fs_clean = 0;
ffs_sbupdate(ump, MNT_WAIT);
}
}
return (err);
}
/*