Documentation/filesystems/sharedsubtree.txt

39 2a) A shared mount can be replicated to as many mountpoints and all the
79 	All slave mounts have a master mount which is a shared.
166 		propagated to the other mount at /cdrom in all the other clone
261 		/mnt or /tmp reflect in all the other mounts of its peer
368 	are created and mounted at the dentry 'b' on all mounts where 'B'
377 	are created and mounted at the dentry 'b' on all mounts where 'B'
378 	propagates to. A new propagation tree is set containing all new mounts
385 	'C3' ... are created and mounted at the dentry 'b' on all mounts where
408 	'Z'.  All mount/unmount events on 'Z' propagates to 'A' and 'C'. But
418 	replicates all the mounts in the tree belonging to the specified mount.
419 	Rbind mount is bind mount applied to all the mounts in the tree.
433 	     Let's say all the mount except the mount C in the tree are
479 	are created and mounted at dentry 'b' on all mounts that receive
482 	contains all the new mounts 'A1', 'A2'...  'An'.  And this new
488 	are created and mounted at dentry 'b' on all mounts that receive
491 	'B'. This new propagation tree contains all the new mounts 'A1',
496 	'A2'... 'An' are created and mounted at dentry 'b' on all mounts that
499 	tree contains all the new mounts 'A1', 'A2'...  'An'.  And this new
546 	If mount 'B' is shared, then all most-recently-mounted mounts at dentry
559 	if 'C1' is unmounted, all the mounts that are most-recently-mounted on
565 	So all 'C1', 'C2' and 'C3' should be unmounted.
568 	unmounted, but all other mounts are unmounted. However if 'C1' is told
574 	A cloned namespace contains all the mounts as that of the parent
601 		Should they all be identical? or should /mnt and /mnt/1 be
810 	->mnt_share links together all the mount to/from which this vfsmount
813 	->mnt_slave_list links all the mounts to which this vfsmount propagates
816 	->mnt_slave links together all the slaves that its master vfsmount
827 	All the shared vfsmounts in a peer group form a cyclic list through
830 	All vfsmounts with the same ->mnt_master form on a cyclic list anchored
834 	 of master peer group.  To find all immediate slaves of a peer group
840 	All vfsmounts in a peer group have the same ->mnt_master.  If it is
844 	[ NOTE: Though it looks like a forest, if we consider all the shared
856 	In the above figure  A,B,C and D all are shared and propagate to each
911 		   c) Link all the new mounts to form a propagation tree that
930 		delete all the newly created trees.
932 	NOTE: all the propagation related functionality resides in the file