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To enable background mounting again, restore the "bg" argument to
nfsmount() and nfs4mount() that was recently removed.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Clean up: when nfsmount and nfs4mount are called, running_bg is always set
to zero. Remove the parameter from the call.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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It's not necessary to treat the *flags parameter to nfsmount and nfs4mount
as an output parameter. Nothing is passed back. Replace it with a normal
call-by-value.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Refactor mount processing slightly to remove an output parameter and an
unnecessary type cast. The mount syscall is now made from inside
nfs_mount or nfs4mount, rather than in common code after those are called.
Code review suggests that EX_BG was never returned by mount.nfs because the
logic I just replaced was always returning EX_FAIL. The new logic should
properly return EX_BG when appropriate.
However, it is unclear whether /bin/mount handles backgrounding the mount
request, or whether mount.nfs should.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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I'd like to be able to use the same pseudoflavor data in exportfs and
mountd; so move it to nfslib and a common include.
Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
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Prior to David Howell's mount changes in 2.6.18, users who mounted
different directories which happened to be from the same filesystem on the
server would get different super blocks, and hence could choose different
mount options. As long as there were no hard linked files that crossed from
one subtree to another, this was quite safe.
Post the changes, if the two directories are on the same filesystem (have
the same 'fsid'), they will share the same super block, and hence the same
mount options.
Add a flag to allow users to elect not to share the NFS super block with
another mount point, even if the fsids are the same. This will allow
users to set different mount options for the two different super blocks, as
was previously possible. It is still up to the user to ensure that there
are no cache coherency issues when doing this, however the default
behaviour will be to share super blocks whenever two paths result in
the same fsid.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Adds the mount directory and the code to mount and umount the NFS file system.
Signed-off-by: Amit Gud <agud@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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