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conn.[ch] are now no longer needed. Clean them out and delete them.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Now we can address the real problem: that get_socket() depends on the
global variable "verbose" which is only available in the mount command.
Move get_socket() into utils/mount/network.c, and make it static.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Continue clean up of mount functionality in libnfs.a by moving clnt_ping()
to utils/mount/network.c. Note that socklen_t is an unsigned int... the
i386 gcc compiler threw a signedness warning about the 3rd argument of
getsockname().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Continue clean-up with nfsvers_to_mnt() and mntvers_to_nfs().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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It turns out that get_socket() accesses a global variable, "verbose," that
is only available in the mount command; yet it's in libnfs.a. This creates
an undocumented API dependency that will bite someone someday. This
mount-specific functionality doesn't really belong in libnfs.a anyway.
The simplest way to resolve this is to move all of the functions in
support/nfs/conn.c into utils/mount. network.c seems like the logical
place to put these. An added benefit is we eventually get to make
get_socket() static.
Let's start with the mnt_{open,close}clnt functions.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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In the case of several (>500) mounts running at the same time
with -o tcp, the number of attempts that succeed is about 300-500
because it run out of priviledged port (they are busy in TIME_WAIT
state).
Signed-off-by: Flavio Leitner <flavio.leitner@gmail.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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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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unused labels, constness, signedness.
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Adds the support functions needed for mount and umount. This
functionality will someday be available in the form of shared mount
library.
Signed-off-by: Amit Gud <agud@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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