[Dovecot] Fix available for mmap on FreeBSD zfs (corrupted index files)

Dillon Kass lists at loveturtle.net
Fri Apr 4 21:06:40 EEST 2008

Hi, I've applied this patch to my 7-STABLE box and it doesn't help with 
the corrupted dovecot index files.

Anyone using dovecot with ZFS on FreeBSD should use mmap_disable = yes 
in their dovecot.conf


Adam McDougall wrote:
> Saw this just come through for 8-current,  7-stable ought to have it 
> in a week or so.  I have not encountered the problem so I would not be 
> able to judge if this fixes it.
> Patch here: 
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c.diff?r1=1.27;r2=1.28 
> pjd         2008-03-15 23:23:04 UTC
>  FreeBSD src repository
>  Modified files:
>    sys/contrib/opensolaris/uts/common/fs/zfs zfs_vnops.c  Log:
>  Fix mmap(2) on ZFS after some changes in VM subsystem.
>  Submitted by:   alc
>  Reported by:    kris (originally) and many others
>  Tested with:    fsx
>  MFC after:      1 week
>  Revision  Changes    Path
>  1.28      +4 -0      
> src/sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c

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