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| author | Peng Tao <bergwolf@gmail.com> | 2009-09-23 15:56:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-24 07:20:57 -0700 |
| commit | 16c01b20ae0572d5a1fe8059f1b4c09f79b73cbf (patch) | |
| tree | 922001d18936f99a9d9f12fc62aa1bb692f7e023 /Documentation/filesystems | |
| parent | 0288b95b432b88f9daf895b526f64beeaca9ac73 (diff) | |
| download | talos-obmc-linux-16c01b20ae0572d5a1fe8059f1b4c09f79b73cbf.tar.gz talos-obmc-linux-16c01b20ae0572d5a1fe8059f1b4c09f79b73cbf.zip | |
doc/filesystems: more mount cleanups
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>
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/sharedsubtree.txt | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/Documentation/filesystems/sharedsubtree.txt b/Documentation/filesystems/sharedsubtree.txt index b2c1ee5d98fc..23a181074f94 100644 --- a/Documentation/filesystems/sharedsubtree.txt +++ b/Documentation/filesystems/sharedsubtree.txt @@ -4,7 +4,7 @@ Shared Subtrees Contents: 1) Overview 2) Features - 3) smount command + 3) Setting mount states 4) Use-case 5) Detailed semantics 6) Quiz @@ -135,10 +135,15 @@ replicas continue to be exactly same. 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, - so use it instead of the 'smount' command. [source code removed] + The mount command (util-linux package) can be used to set mount + states: + + mount --make-shared mountpoint + mount --make-slave mountpoint + mount --make-private mountpoint + mount --make-unbindable mountpoint 4) Use cases @@ -209,7 +214,7 @@ replicas continue to be exactly same. mount --rbind / /view/v3 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 /view/v4/usr too @@ -249,7 +254,7 @@ replicas continue to be exactly same. For example: 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 to the same peer group. Anything mounted or unmounted under |
