A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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get rid of full-hash scan on detaching vfsmounts

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Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2013-03-15 10:53:28 -04:00
commit 84d17192d2
4 changed files with 149 additions and 97 deletions
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7
fs/mount.h
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@ -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;