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| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-03-15 10:53:28 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-04-09 14:12:52 -0400 |
| commit | 84d17192d2afd52aeba88c71ae4959a015f56a38 (patch) | |
| tree | ccc7359f7b35352fb143eae16dec44d9ce766de6 /fs/mount.h | |
| parent | e9c5d8a562f01b211926d70443378eb14b29a676 (diff) | |
| download | lwn-84d17192d2afd52aeba88c71ae4959a015f56a38.tar.gz lwn-84d17192d2afd52aeba88c71ae4959a015f56a38.zip | |
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.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/mount.h b/fs/mount.h index cd5007980400..64a858143ff9 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; |