svn commit: r242833 - in head/sys: cddl/contrib/opensolaris/uts/common/fs/zfs fs/cd9660 fs/devfs fs/ext2fs fs/fdescfs fs/fuse fs/msdosfs fs/nandfs fs/nfsclient fs/nullfs fs/pseudofs fs/tmpfs fs/udf...

[Konstantin Belousov]

On Fri, Nov 09, 2012 at 06:50:52PM +0000, Attilio Rao wrote:
> On Fri, Nov 9, 2012 at 6:47 PM, Attilio Rao <attilio at freebsd.org> wrote:
> > On Fri, Nov 9, 2012 at 6:11 PM, Konstantin Belousov <kostikbel at gmail.com> wrote:
> >> On Fri, Nov 09, 2012 at 06:02:26PM +0000, Attilio Rao wrote:
> >>> Author: attilio
> >>> Date: Fri Nov  9 18:02:25 2012
> >>> New Revision: 242833
> >>> URL: http://svnweb.freebsd.org/changeset/base/242833
> >>>
> >>> Log:
> >>>   Complete MPSAFE VFS interface and remove MNTK_MPSAFE flag.
> >>>   Porters should refer to __FreeBSD_version 1000021 for this change as
> >>>   it may have happened at the same timeframe.
> >>>
> >>> Modified: head/sys/fs/fuse/fuse_vfsops.c
> >>> ==============================================================================
> >>> --- head/sys/fs/fuse/fuse_vfsops.c    Fri Nov  9 17:56:49 2012        (r242832)
> >>> +++ head/sys/fs/fuse/fuse_vfsops.c    Fri Nov  9 18:02:25 2012        (r242833)
> >>> @@ -339,7 +339,6 @@ fuse_vfsop_mount(struct mount *mp)
> >>>
> >>>       vfs_getnewfsid(mp);
> >>>       mp->mnt_flag |= MNT_LOCAL;
> >>> -     mp->mnt_kern_flag |= MNTK_MPSAFE;
> >>>       if (subtype) {
> >>>               strlcat(mp->mnt_stat.f_fstypename, ".", MFSNAMELEN);
> >>>               strlcat(mp->mnt_stat.f_fstypename, subtype, MFSNAMELEN);
> >>
> >> mnt_flag update should happen under the mount interlock.
> >
> > Yes I already have a patch for that, I'm waiting for testing by flo.
> 
> http://www.freebsd.org/~attilio/fuse_mnt_flag.patch

Why mp->mnt_data and mp->mnt_stat.f_iosize updates are synchronized ?
VFS does not modify them.
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