The patch titled
doc/filesystems: more mount cleanups
has been added to the -mm tree. Its filename is
doc-filesystems-more-mount-cleanups.patch
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------------------------------------------------------
Subject: doc/filesystems: more mount cleanups
From: Peng Tao <bergwolf@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx>
Cc: Miklos Szeredi <miklos@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/filesystems/sharedsubtree.txt | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff -puN Documentation/filesystems/sharedsubtree.txt~doc-filesystems-more-mount-cleanups Documentation/filesystems/sharedsubtree.txt
--- a/Documentation/filesystems/sharedsubtree.txt~doc-filesystems-more-mount-cleanups
+++ a/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
_
Patches currently in -mm which might be from bergwolf@xxxxxxxxx are
doc-filesystems-more-mount-cleanups.patch
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