niansa-misc/linux
1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
Code Issues Projects Releases Packages Wiki Activity

doc/filesystems: more mount cleanups

Browse source 
Documentation/filesystems/sharedsubtree.txt needs updating because the
mount command in util-linux package is well aware of shared subtree
features now.  The patch also fixes two typos in sharedsubtree.txt.

Signed-off-by: Peng Tao <bergwolf@gmail.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Peng Tao 2009-09-23 15:56:13 -07:00 • committed by Linus Torvalds
parent 0288b95b43
commit 16c01b20ae
1 changed files with 11 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
Documentation/filesystems/sharedsubtree.txt
View file

@ -4,7 +4,7 @@ Shared Subtrees
Contents: Contents:
1) Overview 1) Overview
2) Features 2) Features
3) smount command 3) Setting mount states
4) Use-case 4) Use-case
5) Detailed semantics 5) Detailed semantics
6) Quiz 6) Quiz
@ -135,10 +135,15 @@ replicas continue to be exactly same.
Binding a unbindable mount is a invalid operation. Binding a unbindable mount is a invalid operation.
3) smount command 3) Setting mount states
Modern mount(8) command is aware of shared subtree features, The mount command (util-linux package) can be used to set mount
so use it instead of the 'smount' command. [source code removed] states:
mount --make-shared mountpoint
mount --make-slave mountpoint
mount --make-private mountpoint
mount --make-unbindable mountpoint
4) Use cases 4) Use cases
@ -209,7 +214,7 @@ replicas continue to be exactly same.
mount --rbind / /view/v3 mount --rbind / /view/v3
mount --rbind / /view/v4 mount --rbind / /view/v4
and if /usr has a versioning filesystem mounted, than that and if /usr has a versioning filesystem mounted, then that
mount appears at /view/v1/usr, /view/v2/usr, /view/v3/usr and mount appears at /view/v1/usr, /view/v2/usr, /view/v3/usr and
/view/v4/usr too /view/v4/usr too
@ -249,7 +254,7 @@ replicas continue to be exactly same.
For example: For example:
mount --make-shared /mnt mount --make-shared /mnt
mount --bin /mnt /tmp mount --bind /mnt /tmp
The mount at /mnt and that at /tmp are both shared and belong The mount at /mnt and that at /tmp are both shared and belong
to the same peer group. Anything mounted or unmounted under to the same peer group. Anything mounted or unmounted under