Question regarding mmap on ZFS, or possibly Dovecot

[Peter Schuller]

> The question remains the same, however. Is this a problem with
> samba/dovecot using mmap incorrectly, a problem with ZFS as such, or a
> problem with the FreeBSD implementation of ZFS?

If I recall correctly from a previous discussion here on the list, the belief 
was that it was a problem with ZFS on FreeBSD.

I did notice an mmap related commit on cvs-all that might be related (based 
only on the log entry):

pjd         2008-04-26 13:03:23 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_7)
    sys/cddl/contrib/opensolaris/uts/common/fs/zfs zfs_vnops.c 
  Log:
  MFC:    sys/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c:1.28
  
  Fix mmap(2) on ZFS after some changes in VM subsystem.
  
  Submitted by:   alc
  Reported by:    kris (originally) and many others
  Reminded by:    kris
  
  Revision  Changes    Path
  1.31.2.2  +4 -0      
src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c

-- 
/ Peter Schuller

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