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| author | Christoph Hellwig <hch@lst.de> | 2018-05-16 07:19:01 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-16 07:23:35 +0200 |
| commit | 76f668be1e8e87d235fbd50037f50fdde948b46d (patch) | |
| tree | 6473ada6105603c2705588b0749fa7cfb4b80176 /include/linux/proc_fs.h | |
| parent | 441bc62741e6e7f8d428b827c2a7b482a467fc42 (diff) | |
| download | blackbird-op-linux-76f668be1e8e87d235fbd50037f50fdde948b46d.tar.gz blackbird-op-linux-76f668be1e8e87d235fbd50037f50fdde948b46d.zip | |
proc: introduce a proc_pid_ns helper
Factor out retrieving the per-sb pid namespaces from the sb private data
into an easier to understand helper.
Suggested-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/proc_fs.h')
| -rw-r--r-- | include/linux/proc_fs.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 928ef9e4d912..4edcde510631 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -83,4 +83,10 @@ struct ns_common; int open_related_ns(struct ns_common *ns, struct ns_common *(*get_ns)(struct ns_common *ns)); +/* get the associated pid namespace for a file in procfs */ +static inline struct pid_namespace *proc_pid_ns(struct inode *inode) +{ + return inode->i_sb->s_fs_info; +} + #endif /* _LINUX_PROC_FS_H */ |
