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| author | Al Viro | 2011-11-25 04:53:09 +0100 |
|---|---|---|
| committer | Al Viro | 2012-01-04 04:57:06 +0100 |
| commit | 68e8a9feab251f9d3c8fd9e9893c97843bcd4bd0 (patch) | |
| tree | 22fac61a982587cd53ccf05513fbe4ffe60c860d /fs/mount.h | |
| parent | vfs: spread struct mount - work with counters (diff) | |
| download | kernel-qcow2-linux-68e8a9feab251f9d3c8fd9e9893c97843bcd4bd0.tar.gz kernel-qcow2-linux-68e8a9feab251f9d3c8fd9e9893c97843bcd4bd0.tar.xz kernel-qcow2-linux-68e8a9feab251f9d3c8fd9e9893c97843bcd4bd0.zip | |
vfs: all counters taken to struct mount
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/mount.h')
| -rw-r--r-- | fs/mount.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/mount.h b/fs/mount.h index 853738f5897f..452ae41e0131 100644 --- a/fs/mount.h +++ b/fs/mount.h @@ -1,10 +1,22 @@ #include <linux/mount.h> +struct mnt_pcp { + int mnt_count; + int mnt_writers; +}; + struct mount { struct list_head mnt_hash; struct mount *mnt_parent; struct dentry *mnt_mountpoint; struct vfsmount mnt; +#ifdef CONFIG_SMP + struct mnt_pcp __percpu *mnt_pcp; + atomic_t mnt_longterm; /* how many of the refs are longterm */ +#else + int mnt_count; + int mnt_writers; +#endif }; static inline struct mount *real_mount(struct vfsmount *mnt) |