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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-15 10:53:28 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 14:12:52 -0400
commit84d17192d2afd52aeba88c71ae4959a015f56a38 (patch)
treeccc7359f7b35352fb143eae16dec44d9ce766de6 /fs/mount.h
parente9c5d8a562f01b211926d70443378eb14b29a676 (diff)
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get rid of full-hash scan on detaching vfsmounts
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/mount.h')
-rw-r--r--fs/mount.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/mount.h b/fs/mount.h
index cd50079..64a8581 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -18,6 +18,12 @@ struct mnt_pcp {
int mnt_writers;
};
+struct mountpoint {
+ struct list_head m_hash;
+ struct dentry *m_dentry;
+ int m_count;
+};
+
struct mount {
struct list_head mnt_hash;
struct mount *mnt_parent;
@@ -40,6 +46,7 @@ struct mount {
struct list_head mnt_slave; /* slave list entry */
struct mount *mnt_master; /* slave is on master->mnt_slave_list */
struct mnt_namespace *mnt_ns; /* containing namespace */
+ struct mountpoint *mnt_mp; /* where is it mounted */
#ifdef CONFIG_FSNOTIFY
struct hlist_head mnt_fsnotify_marks;
__u32 mnt_fsnotify_mask;