diff options
| -rw-r--r-- | sys/ufs/ffs/ffs_vfsops.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/ufs/ffs/ffs_vfsops.c b/sys/ufs/ffs/ffs_vfsops.c index 17e9a40..1d9cd21 100644 --- a/sys/ufs/ffs/ffs_vfsops.c +++ b/sys/ufs/ffs/ffs_vfsops.c @@ -872,7 +872,7 @@ ffs_oldfscompat_read(fs, ump, sblockloc) /* * If not yet done, update UFS1 superblock with new wider fields. */ - if (fs->fs_magic == FS_UFS1_MAGIC && fs->fs_size != fs->fs_old_size) { + if (fs->fs_magic == FS_UFS1_MAGIC && fs->fs_maxbsize != fs->fs_bsize) { fs->fs_maxbsize = fs->fs_bsize; fs->fs_time = fs->fs_old_time; fs->fs_size = fs->fs_old_size; @@ -1469,6 +1469,10 @@ ffs_sbupdate(mp, waitfor) void *space; int i, size, error, allerror = 0; + if (fs->fs_ronly == 1 && + (mp->um_mountp->mnt_flag & (MNT_RDONLY | MNT_UPDATE)) != + (MNT_RDONLY | MNT_UPDATE)) + panic("ffs_sbupdate: write read-only filesystem"); /* * First write back the summary information. */ |
