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Allow fake mounts to succeed on non-legacy filesystems. 

mountall in Debian depends on being able to pass the -f parameter to
mount, which specifies a fake mount and just updates the mtab. Currently
mount.zfs will fail such a request if it is not passed with -o zfsutil.

This patch allows a fake mount on a non-legacy filesystem to succeed in
the same manner as a -o remount does, thus enabling mountall to work
correctly.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1167
This commit is contained in:
Will Rouesnel 2012-12-28 01:44:16 +11:00 committed by Brian Behlendorf
parent 37f000c5aa
commit 462ee8e3f3
1 changed files with 2 additions and 1 deletions
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3
cmd/mount_zfs/mount_zfs.c
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@ -474,7 +474,8 @@ main(int argc, char **argv)
return (MOUNT_USAGE); return (MOUNT_USAGE);
} }
if (!zfsutil && strcmp(legacy, ZFS_MOUNTPOINT_LEGACY) && !remount) { if (!zfsutil && !(remount || fake) &&
strcmp(legacy, ZFS_MOUNTPOINT_LEGACY)) {
(void) fprintf(stderr, gettext( (void) fprintf(stderr, gettext(
"filesystem '%s' cannot be mounted using 'mount'.\n" "filesystem '%s' cannot be mounted using 'mount'.\n"
"Use 'zfs set mountpoint=%s' or 'zfs mount %s'.\n" "Use 'zfs set mountpoint=%s' or 'zfs mount %s'.\n"