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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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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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Failure to tell mountd about the unmount should not be classes
and an error and DEFINTELY should not stop the filesystem
from being unmounted.
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Also fix a few bugs that came up in initial testing.
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getopt_long uses argv[0] in error messages. So it it is given
argv+2 for example, we need to make sure that argv[2] has the
correct program name.
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Reject if there are non-flag args,
Reject if the filesystem is not an NFS filesystem.
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Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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Providing user=username or users is listed in mtab.
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They are identical and the later allows us to use hasmntent.
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Because, ofcourse, we haven't.
When we do finally let-go of the mount, the server won't get told,
but the same would happen on a crash, and the server just has to cope.
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- remove non-used arguments from del_mtab.
- Don't try to pass a "host:/path" string to umount.
It used to be possible to umount("/dev/whatever"). It has never
been possible to umount("host:/path").
- Don't try to read /proc/mounts first. Some mount options (mount_vers)
are only stored in /etc/mtab, not in /proc/mounts. So we have to
prefer /etc/mtab as getmntXbackwards do.
- Only every call one of getmnt{dir,dev}backwards, depending on whether
'spec' looks like a path name or a host:/path.
- Don't call _nfsumount unless we have a host:/path, or del_mtab unless we
have a path name.
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add_mtab2 is used to remove an entry from mtab, rename it to del_mtab.
Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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This patch do following things:
1. When unmounting, we should try /proc/mounts first. Only then in
/etc/mtab if it wasn't found.
2. Reject name passed to us which is not starts with a '/' or not
contains a ':'
3. Fix the method to get UMNT protocol
Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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This fix umount.nfs4's BUG, patch cleanup some useless code.
1. Combine nfs3_umount() and nfs2_umount() to nfs_umount()
2. If it is a nfs4 remote file system or unkown mount version, do not
probe remote mount port and not send UMNT request wich is not necessary
Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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This patch lets umount to use correct UMNT version to do umount.
In latest kernel, the version format is "vers=3" etc., and in old kernel
the version format is "v3","v4" etc.
Signed-off-by: Wei Yongjun <yjwei@nanjing-fnst.com>
Signed-off-by: Neil Brown <neilb@suse.de>
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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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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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