cvs commit: src/sys/ufs/ffs ffs_extern.h ffs_softdep.c ffs_vfsops.c

[Scott Long]

On Sun, 3 Apr 2005, Jeff Roberson wrote:
> jeff        2005-04-03 10:29:55 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    sys/ufs/ffs          ffs_extern.h ffs_softdep.c ffs_vfsops.c
>  Log:
>   - Move the contents of softdep_disk_prewrite into ffs_geom_strategy to fix
>     two bugs.
>   - ffs_disk_prewrite was pulling the vp from the buf and checking for
>     COPYONWRITE, when really it wanted the vp from the bufobj that we're
>     writing to, which is the devvp.  This lead to us skipping the copy on
>     write to all file data, which significantly broke snapshots for the
>     last few months.
>   - When the SOFTUPDATES option was not included in the kernel config we
>     would also skip the copy on write check, which would effectively disable
>     snapshots.

I thought that snapshots required softupdates?

Scott