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cgroup: clean up cgroup.h

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- replace old name 'cont' with 'cgrp' (Paul Menage did this cleanup for
  cgroup.c in commit bd89aabc67)
- remove a duplicate declaration of cgroup_path()

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Li Zefan 2008-02-23 15:24:09 -08:00 • committed by Linus Torvalds
parent a043e3b2c6
commit ffd2d88339
1 changed files with 23 additions and 25 deletions
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48
include/linux/cgroup.h
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@ -186,15 +186,15 @@ struct cftype {
char name[MAX_CFTYPE_NAME]; char name[MAX_CFTYPE_NAME];
int private; int private;
int (*open) (struct inode *inode, struct file *file); int (*open) (struct inode *inode, struct file *file);
ssize_t (*read) (struct cgroup *cont, struct cftype *cft, ssize_t (*read) (struct cgroup *cgrp, struct cftype *cft,
struct file *file, struct file *file,
char __user *buf, size_t nbytes, loff_t *ppos); char __user *buf, size_t nbytes, loff_t *ppos);
/* /*
* read_uint() is a shortcut for the common case of returning a * read_uint() is a shortcut for the common case of returning a
* single integer. Use it in place of read() * single integer. Use it in place of read()
*/ */
u64 (*read_uint) (struct cgroup *cont, struct cftype *cft); u64 (*read_uint) (struct cgroup *cgrp, struct cftype *cft);
ssize_t (*write) (struct cgroup *cont, struct cftype *cft, ssize_t (*write) (struct cgroup *cgrp, struct cftype *cft,
struct file *file, struct file *file,
const char __user *buf, size_t nbytes, loff_t *ppos); const char __user *buf, size_t nbytes, loff_t *ppos);
@ -203,7 +203,7 @@ struct cftype {
* a single integer (as parsed by simple_strtoull) from * a single integer (as parsed by simple_strtoull) from
* userspace. Use in place of write(); return 0 or error. * userspace. Use in place of write(); return 0 or error.
*/ */
int (*write_uint) (struct cgroup *cont, struct cftype *cft, u64 val); int (*write_uint) (struct cgroup *cgrp, struct cftype *cft, u64 val);
int (*release) (struct inode *inode, struct file *file); int (*release) (struct inode *inode, struct file *file);
}; };
@ -218,41 +218,41 @@ struct cgroup_scanner {
/* Add a new file to the given cgroup directory. Should only be /* Add a new file to the given cgroup directory. Should only be
* called by subsystems from within a populate() method */ * called by subsystems from within a populate() method */
int cgroup_add_file(struct cgroup *cont, struct cgroup_subsys *subsys, int cgroup_add_file(struct cgroup *cgrp, struct cgroup_subsys *subsys,
const struct cftype *cft); const struct cftype *cft);
/* Add a set of new files to the given cgroup directory. Should /* Add a set of new files to the given cgroup directory. Should
* only be called by subsystems from within a populate() method */ * only be called by subsystems from within a populate() method */
int cgroup_add_files(struct cgroup *cont, int cgroup_add_files(struct cgroup *cgrp,
struct cgroup_subsys *subsys, struct cgroup_subsys *subsys,
const struct cftype cft[], const struct cftype cft[],
int count); int count);
int cgroup_is_removed(const struct cgroup *cont); int cgroup_is_removed(const struct cgroup *cgrp);
int cgroup_path(const struct cgroup *cont, char *buf, int buflen); int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen);
int cgroup_task_count(const struct cgroup *cont); int cgroup_task_count(const struct cgroup *cgrp);
/* Return true if the cgroup is a descendant of the current cgroup */ /* Return true if the cgroup is a descendant of the current cgroup */
int cgroup_is_descendant(const struct cgroup *cont); int cgroup_is_descendant(const struct cgroup *cgrp);
/* Control Group subsystem type. See Documentation/cgroups.txt for details */ /* Control Group subsystem type. See Documentation/cgroups.txt for details */
struct cgroup_subsys { struct cgroup_subsys {
struct cgroup_subsys_state *(*create)(struct cgroup_subsys *ss, struct cgroup_subsys_state *(*create)(struct cgroup_subsys *ss,
struct cgroup *cont); struct cgroup *cgrp);
void (*pre_destroy)(struct cgroup_subsys *ss, struct cgroup *cont); void (*pre_destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp);
void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cont); void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp);
int (*can_attach)(struct cgroup_subsys *ss, int (*can_attach)(struct cgroup_subsys *ss,
struct cgroup *cont, struct task_struct *tsk); struct cgroup *cgrp, struct task_struct *tsk);
void (*attach)(struct cgroup_subsys *ss, struct cgroup *cont, void (*attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
struct cgroup *old_cont, struct task_struct *tsk); struct cgroup *old_cgrp, struct task_struct *tsk);
void (*fork)(struct cgroup_subsys *ss, struct task_struct *task); void (*fork)(struct cgroup_subsys *ss, struct task_struct *task);
void (*exit)(struct cgroup_subsys *ss, struct task_struct *task); void (*exit)(struct cgroup_subsys *ss, struct task_struct *task);
int (*populate)(struct cgroup_subsys *ss, int (*populate)(struct cgroup_subsys *ss,
struct cgroup *cont); struct cgroup *cgrp);
void (*post_clone)(struct cgroup_subsys *ss, struct cgroup *cont); void (*post_clone)(struct cgroup_subsys *ss, struct cgroup *cgrp);
void (*bind)(struct cgroup_subsys *ss, struct cgroup *root); void (*bind)(struct cgroup_subsys *ss, struct cgroup *root);
int subsys_id; int subsys_id;
int active; int active;
@ -273,9 +273,9 @@ struct cgroup_subsys {
#undef SUBSYS #undef SUBSYS
static inline struct cgroup_subsys_state *cgroup_subsys_state( static inline struct cgroup_subsys_state *cgroup_subsys_state(
struct cgroup *cont, int subsys_id) struct cgroup *cgrp, int subsys_id)
{ {
return cont->subsys[subsys_id]; return cgrp->subsys[subsys_id];
} }
static inline struct cgroup_subsys_state *task_subsys_state( static inline struct cgroup_subsys_state *task_subsys_state(
@ -290,8 +290,6 @@ static inline struct cgroup* task_cgroup(struct task_struct *task,
return task_subsys_state(task, subsys_id)->cgroup; return task_subsys_state(task, subsys_id)->cgroup;
} }
int cgroup_path(const struct cgroup *cont, char *buf, int buflen);
int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *ss); int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *ss);
/* A cgroup_iter should be treated as an opaque object */ /* A cgroup_iter should be treated as an opaque object */
@ -313,10 +311,10 @@ struct cgroup_iter {
* - cgroup_scan_tasks() holds the css_set_lock when calling the test_task() * - cgroup_scan_tasks() holds the css_set_lock when calling the test_task()
* callback, but not while calling the process_task() callback. * callback, but not while calling the process_task() callback.
*/ */
void cgroup_iter_start(struct cgroup *cont, struct cgroup_iter *it); void cgroup_iter_start(struct cgroup *cgrp, struct cgroup_iter *it);
struct task_struct *cgroup_iter_next(struct cgroup *cont, struct task_struct *cgroup_iter_next(struct cgroup *cgrp,
struct cgroup_iter *it); struct cgroup_iter *it);
void cgroup_iter_end(struct cgroup *cont, struct cgroup_iter *it); void cgroup_iter_end(struct cgroup *cgrp, struct cgroup_iter *it);
int cgroup_scan_tasks(struct cgroup_scanner *scan); int cgroup_scan_tasks(struct cgroup_scanner *scan);
int cgroup_attach_task(struct cgroup *, struct task_struct *); int cgroup_attach_task(struct cgroup *, struct task_struct *);