fs/zfs/zfs_ctldir.c

4  * The contents of this file are subject to the terms of the
33  * For 'snapshot', we don't want to have all snapshots always mounted, because
43  * The 'snapshot' node contains just enough information to lookup '..' and act
50  * reliable way to auto-unmount the filesystem when it's "no longer in use".
61  * fields set to the head filesystem to make NFS happy (see
154  * Initialize the various GFS pieces we'll need to create and manipulate .zfs
268  * Add a hold to the vnode and return it.
292  * Common close routine.  Nothing to do here.
410  * We need to generate unique inode numbers for all files and directories
481 	 * display ACL correctly and not default to POSIX draft.
541 	 * We can't use VN_RELE(), as that will try to invoke
542 	 * zfsctl_snapdir_inactive(), which would cause us to destroy
616 	char from[MAXNAMELEN], to[MAXNAMELEN];
638 		err = zfsctl_snapshot_zname(tdvp, tnm, MAXNAMELEN, to);
640 		err = zfs_secpolicy_rename_perms(from, to, cr);
661 	err = dmu_objset_rename(from, to, B_FALSE);
763  * Lookup entry point for the 'snapshot' directory.  Try to open the
796 	 * from the domount() code while it was trying to look up the
797 	 * spec (which looks like a local path for zfs).  We need to
798 	 * add some flag to domount() to tell it not to do this lookup.
840 			 * try to remount it.
846 			 * to clear it since we're pretending to be part
865 		 * forcing EILSEQ to ENOENT.
866 		 * Since shell ultimately passes "*" or "?" as name to lookup
917 		 * This is where we lie about our v_vfsp in order to
1046  * This function is the callback to create a GFS vnode for '.zfs/snapshot'
1229 	 * This is safe to do because once this entry has been removed