| Commit message (Collapse) | Author | Age | Files | Lines |
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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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Move start_startd into network.c, and move the call inside of
nfs_mount, instead of immediately after - conceptually a better place
for it.
Also fix a minor nit: Since the mount actually fails if start_statd
doesn't work, cause mount.nfs to exit with a status of EX_FAIL.
Still need to do something about "running_bg" in nfsmount.c:nfsmount().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Separate network oriented functions from filesystem oriented
functions, for general cleanliness.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Get rid of nfs_probelist, mnt_probelist, and proto_probelist in order to
remove the use of HAVE_RELIABLE_TCP, MAX_NFSPROT, and MAX_MNTPROT.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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nfs_mount_version is a global integer that is set based on a guess
about which nfs_mount_data version is appropriate for the kernel we're
running on.
Make it always available and have the correct value before calling mount
and unmount so they don't have to worry about setting it themselves.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Clean up, and pre-requisite for subsequent fixes.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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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From: Steve Dickson <steved@redhat.com>
Adds the -o nordirplus mount option that will disable
NFS clients from using the READDIRPLUS RPC.
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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If we are mounting nfsv2 or nfsv3 and statd isn't running and we
cannot start statd, then fail the mount request.
Also use an RPC ping to check on statd.
Signed-off-by: Neil Brown <neilb@suse.de>
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The patch avoid the collision between commas in security contexts and the
delimiter between mount options.
Try:
mount.nfs foo://mnt/bar /mnt/bar -o context=\"aaa,bbb,ccc\",ro
Signed-off-by: Cory Olmo <colmo@TrustedCS.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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The version of the interface to the kernel for requesting a mount
it entirely different to the version of NFS that is being mounted.
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If statd is not running (/var/run/rpc.statd.pid) when an nfs filesystem
is mounted (v2 or v3, with remote locking enabled), and if
/usr/sbin/start-statd (or other program specified at config time) is
present, then run that program to start statd.
This means that statd does not need to be running "just in case".
It only needs to be started at boot time if the nfs server is
started.
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Solaris servers, when asked to share a filesystem with an anon-uid, will
report the only available authentication style as AUTH_NONE in the
reply from mountd (even though they actually accept AUTH_SYS and simply
ignore the credentiuals).
So if no sec= is specified we should really accept anything that can easily
be handled. ie. AUTH_SYS or AUTH_NONE.
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Only create a mount-time reserved port socket for kernels
which require it (pre-2.1.32/nfs_mount_version 1).
Signed-off-by: Tom Talpey <tmt@netapp.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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When connecting to an NFSv4 server we need to find out IP address
as it would be seen by the server, to register an address for
callbacks.
This is most easily done by connecting the socket to the
servers address and then getting the address of our endpoint.
However with a connected UDP socket, replies that come from a
different IP address - as can happen with non-Linux multi-homed
servers - will be rejected.
So if we connected our UDP socket, we need to be sure to
disconnect it before using it.
This patch adds an option to get_socket to say if we want it
connected or not and, in the case where we do, we disconnect
a UDP socket after the connection information has been used.
Also clean up the error handling in clnt_ping which was getting
clumsy.
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For completeness... and who knows, someone might want it.
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Merge utils/mount/nfsmount.x and support/export/mount.x into support/export/mount.x.
Signed-off-by: Amit Gud <agud@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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We need to give an IP address to identify this client to the
server.
The current code does a gethostbyname of the hostname. One
some systems this returns 127.0.0.1 or similar, which is not useful.
Instead, use getsockname of the sock used to connect to the server
to confirm that the server is working. This gives the address on the
interface that was chosen to talk to that server, which is the
best address we can find (if there is a NAT in the way, it might
still not work, but in that case there is nothing we can do).
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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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