diff options
| author | Ram Pai <linuxram@us.ibm.com> | 2008-03-27 13:06:25 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-04-23 00:05:03 -0400 |
| commit | 2d4d4864ac08caff5c204a752bd004eed4f08760 (patch) | |
| tree | a8907c33afae589146fdcd06eacd740aff48c6a1 /include/linux | |
| parent | a1a2c409b666befc58c2db9c7fbddf200f153470 (diff) | |
[patch 6/7] vfs: mountinfo: add /proc/<pid>/mountinfo
[mszeredi@suse.cz] rewrite and split big patch into managable chunks
/proc/mounts in its current form lacks important information:
- propagation state
- root of mount for bind mounts
- the st_dev value used within the filesystem
- identifier for each mount and it's parent
It also suffers from the following problems:
- not easily extendable
- ambiguity of mountpoints within a chrooted environment
- doesn't distinguish between filesystem dependent and independent options
- doesn't distinguish between per mount and per super block options
This patch introduces /proc/<pid>/mountinfo which attempts to address
all these deficiencies.
Code shared between /proc/<pid>/mounts and /proc/<pid>/mountinfo is
extracted into separate functions.
Thanks to Al Viro for the help in getting the design right.
Signed-off-by: Ram Pai <linuxram@us.ibm.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mnt_namespace.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h index c078aacc811..830bbcd449d 100644 --- a/include/linux/mnt_namespace.h +++ b/include/linux/mnt_namespace.h @@ -46,6 +46,7 @@ static inline void get_mnt_ns(struct mnt_namespace *ns) } extern const struct seq_operations mounts_op; +extern const struct seq_operations mountinfo_op; extern const struct seq_operations mountstats_op; #endif |