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[PATCH] shared mounts handling: umount

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An unmount of a mount creates a umount event on the parent.  If the
parent is a shared mount, it gets propagated to all mounts in the peer
group.

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>
This commit is contained in:
Ram Pai 2005-11-07 17:20:17 -05:00 • committed by Linus Torvalds
parent 2144440327
commit a05964f391
5 changed files with 128 additions and 20 deletions
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1
include/linux/dcache.h
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@ -329,6 +329,7 @@ static inline int d_mountpoint(struct dentry *dentry)
}
extern struct vfsmount *lookup_mnt(struct vfsmount *, struct dentry *);
extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
extern struct dentry *lookup_create(struct nameidata *nd, int is_dir);
extern int sysctl_vfs_cache_pressure;