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fs/nsfs.c: Added ns_match

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ns_match returns true if the namespace inode and dev_t matches the ones
provided by the caller.

Signed-off-by: Carlos Neira <cneirabustos@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200304204157.58695-2-cneirabustos@gmail.com
This commit is contained in:
Carlos Neira 2020-03-04 17:41:55 -03:00 • committed by Alexei Starovoitov
parent 132c1af0a2
commit 1e2328e762
2 changed files with 16 additions and 0 deletions
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include/linux/proc_ns.h
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@ -85,6 +85,8 @@ typedef struct ns_common *ns_get_path_helper_t(void *);
extern int ns_get_path_cb(struct path *path, ns_get_path_helper_t ns_get_cb,
void *private_data);
extern bool ns_match(const struct ns_common *ns, dev_t dev, ino_t ino);
extern int ns_get_name(char *buf, size_t size, struct task_struct *task,
const struct proc_ns_operations *ns_ops);
extern void nsfs_init(void);