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is_vers4 in mount_libmount.c is based on nfs_umount_is_vers4
in nfsumount.c, except the return values are reversed.
The result of this is:
- a MOUNT_UMNT call is not sent when an NFSv3 or NFSv2
filesystem is unmounted
- a MOUNT_UMNT call *is* sent when and 'nfs4' filesystem
is unmounted (but not when an 'nfs -o vers=4 filesystem
is unmounted, as that is checked elsewhere).
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Steve Dickson <steved@redhat.com>
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# umount.nfs /boot; echo $?
umount.nfs: /boot: device is busy
32
expected and fixed behavior:
# umount.nfs /boot; echo $?
# umount.nfs: /boot: is not an NFS filesystem
1
Note that the function mnt_context_set_fstype_pattern() has never
been used for mtab/fstab evaluation. It's usable only for "umount -a"
and for "mount -t" operations.
Reported-by: NeilBrown <neilb@suse.de>
Signed-off-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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If nfs-utils is built without --enable-libmount-mount, then
an unmount that failed due to the filesystem being busy will
exit with '16' - EX_FILEIO.
Autofs apparently relies on this.
When built with --enable-libmount-mount, the same case will
exit with '32' - EX_FAIL. Normally this is reserved for
internal errors.
This patch restores the use of EX_FILEIO for errors from umount.
Reviewed-by: Karel Zak <kzak@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Steve Dickson <steved@redhat.com>
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The libmount (as well as mount(8)) ignores mount options from command
line if running in restricted mode (suid, non-root-user) and all
options are read from fstab only.
It means that all options are replaced with stuff from fstab,
including mount options from nfsmount.conf. This is bug.
We have to apply fstab and then nfsmount.conf.
Signed-off-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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License texts contain multiple address for FSF, some wrong.
So update them and replace COPYING file with
http://www.gnu.org/licenses/gpl-2.0.txt
which has a few changes to preamble and commentary.
Also remove extra COPYING file from utils/statd/
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Steve Dickson <steved@redhat.com>
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The function mnt_fs_set_fs_options() has been removed from the final
version of the libmount API.
Signed-off-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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This patch allows to link mount.nfs with libmount from util-linux >=
v2.19. The new libmount based code is enabled by CONFIG_LIBMOUNT and
is stored in mount_libmount.c. The old code is not affected by this
change.
The libmount does not have officially stable API yet, so the
--enable-libmount-mount is marked as experimental in the configure
help output.
The ./configure option is the same as we use in util-linux to enable
support for libmount in mount(8).
The addr= (and some other options necessary for remount/umount) are
stored to /etc/mtab or to /dev/.mount/utab. The utab file is *private*
libmount file. It's possible that some mount options (for example
user=) will be moved to kernel, so the utab will not be necessary.
About libmount:
* supports systems without and with regular /etc/mtab
* does not store VFS and FS mount options in userspace
* manages user= option and evaluate permissions
* parses VFS mount options and generate MS_* flags
* parses /etc/{fstab,mtab}, /proc/mounts or /proc/self/mountinfo
* long-term goal is to use the same code in all mount.<type> helpers
Note, use
LIBMOUNT_DEBUG=0xffff mount.nfs foo:/path /path
to debug the library.
On systems with util-linux v2.19 the findmnt(8) command uses libmount
to list all/selected mount points:
$ findmnt /path
$ findmnt --mtab /path
the --mtab appends userspace mount options (e.g. user=) to the output.
CC: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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