cvs commit: src/sys/ufs/ffs ffs_vfsops.c

[Jeff Roberson]

Probably should push this back into RELENG_5 at some point.

On Sun, 12 Dec 2004, Poul-Henning Kamp wrote:

> phk         2004-12-12 14:19:11 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/ufs/ffs          ffs_vfsops.c
>   Log:
>   With the introduction of UFS2 we started looking for superblocks in
>   four different locations on a prospective filesystem.
>
>   If we found none, we forgot to invalidate the four buffers, thus the
>   following sequence would fails:
>
>           (md0 = blank disk)
>           mount /dev/md0 /mnt
>           (fails, no superblocks)
>           newfs /dev/md0
>           (writes using physio which does not go through buffercache).
>           mount /dev/md0 /mnt
>           (still fails, the four cached buffers still contain no superblocks)
>
>   Found by:       ru
>
>   Revision  Changes    Path
>   1.263     +1 -0      src/sys/ufs/ffs/ffs_vfsops.c
>