diff options
| author | Ram Pai <linuxram@us.ibm.com> | 2005-11-07 17:20:48 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 18:18:11 -0800 |
| commit | a58b0eb8e64b78d9315a5491955e78b1391d42e5 (patch) | |
| tree | 546f77cb0338c817ef1e34d8ebbc6eaf0e5d6be9 /fs/pnode.h | |
| parent | a05964f3917c7c55368c229d7985f8e7c9977e97 (diff) | |
| download | lwn-a58b0eb8e64b78d9315a5491955e78b1391d42e5.tar.gz lwn-a58b0eb8e64b78d9315a5491955e78b1391d42e5.zip | |
[PATCH] introduce slave mounts
A slave mount always has a master mount from which it receives
mount/umount events. Unlike shared mount the event propagation does not
flow from the slave mount to the master.
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/pnode.h')
| -rw-r--r-- | fs/pnode.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/pnode.h b/fs/pnode.h index 9b88ba06794a..b59f0e9fe6b1 100644 --- a/fs/pnode.h +++ b/fs/pnode.h @@ -12,10 +12,12 @@ #include <linux/mount.h> #define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED) +#define IS_MNT_SLAVE(mnt) (mnt->mnt_master) #define IS_MNT_NEW(mnt) (!mnt->mnt_namespace) #define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED) #define CL_EXPIRE 0x01 +#define CL_SLAVE 0x02 #define CL_COPY_ALL 0x04 #define CL_MAKE_SHARED 0x08 #define CL_PROPAGATION 0x10 |