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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-02-27 14:40:10 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-01 23:19:09 -0400 |
| commit | c7999c3627bc6d49aa6fb9451063938cfd2c2082 (patch) | |
| tree | 05dba953a6e648864cfa580ae6f754b1570e1f46 /fs/mount.h | |
| parent | f2ebb3a921c1ca1e2ddd9242e95a1989a50c4c68 (diff) | |
| download | lwn-c7999c3627bc6d49aa6fb9451063938cfd2c2082.tar.gz lwn-c7999c3627bc6d49aa6fb9451063938cfd2c2082.zip | |
reduce m_start() cost...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/mount.h')
| -rw-r--r-- | fs/mount.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/mount.h b/fs/mount.h index b29e42f05f34..d55297f2fa05 100644 --- a/fs/mount.h +++ b/fs/mount.h @@ -10,7 +10,7 @@ struct mnt_namespace { struct user_namespace *user_ns; u64 seq; /* Sequence number to prevent loops */ wait_queue_head_t poll; - int event; + u64 event; }; struct mnt_pcp { @@ -104,6 +104,9 @@ struct proc_mounts { struct mnt_namespace *ns; struct path root; int (*show)(struct seq_file *, struct vfsmount *); + void *cached_mount; + u64 cached_event; + loff_t cached_index; }; #define proc_mounts(p) (container_of((p), struct proc_mounts, m)) |