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authorRam Pai <linuxram@us.ibm.com>2005-11-07 17:20:48 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-07 18:18:11 -0800
commita58b0eb8e64b78d9315a5491955e78b1391d42e5 (patch)
tree546f77cb0338c817ef1e34d8ebbc6eaf0e5d6be9 /include/linux/mount.h
parenta05964f3917c7c55368c229d7985f8e7c9977e97 (diff)
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[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 'include/linux/mount.h')
-rw-r--r--include/linux/mount.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 2582559..7e133ae 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -38,6 +38,9 @@ struct vfsmount {
struct list_head mnt_list;
struct list_head mnt_expire; /* link in fs-specific expiry list */
struct list_head mnt_share; /* circular list of shared mounts */
+ struct list_head mnt_slave_list;/* list of slave mounts */
+ struct list_head mnt_slave; /* slave list entry */
+ struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */
struct namespace *mnt_namespace; /* containing namespace */
int mnt_pinned;
};