diff options
| author | Miklos Szeredi <mszeredi@suse.cz> | 2008-03-27 13:06:24 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-04-23 00:04:57 -0400 |
| commit | a1a2c409b666befc58c2db9c7fbddf200f153470 (patch) | |
| tree | 3ea8e4c8f1311436939492d70de23dcf185994de /include | |
| parent | 719f5d7f0b90ac2c8f8ca4232eb322b266fea01e (diff) | |
[patch 5/7] vfs: mountinfo: allow using process root
Allow /proc/<pid>/mountinfo to use the root of <pid> to calculate
mountpoints.
- move definition of 'struct proc_mounts' to <linux/mnt_namespace.h>
- add the process's namespace and root to this structure
- pass a pointer to 'struct proc_mounts' into seq_operations
In addition the following cleanups are made:
- use a common open function for /proc/<pid>/{mounts,mountstat}
- surround namespace.c part of these proc files with #ifdef CONFIG_PROC_FS
- make the seq_operations structures const
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mnt_namespace.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h index 8eed44f8ca7..c078aacc811 100644 --- a/include/linux/mnt_namespace.h +++ b/include/linux/mnt_namespace.h @@ -5,6 +5,7 @@ #include <linux/mount.h> #include <linux/sched.h> #include <linux/nsproxy.h> +#include <linux/seq_file.h> struct mnt_namespace { atomic_t count; @@ -14,6 +15,13 @@ struct mnt_namespace { int event; }; +struct proc_mounts { + struct seq_file m; /* must be the first element */ + struct mnt_namespace *ns; + struct path root; + int event; +}; + extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *, struct fs_struct *); extern void __put_mnt_ns(struct mnt_namespace *ns); @@ -37,5 +45,8 @@ static inline void get_mnt_ns(struct mnt_namespace *ns) atomic_inc(&ns->count); } +extern const struct seq_operations mounts_op; +extern const struct seq_operations mountstats_op; + #endif #endif |