cgroup: remove cftype->read(), ->read_map() and ->write()

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / cgroup.h

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 50d8cc3..53e11da 100644 (file)
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -387,16 +387,6 @@ struct css_set {
 };
 
 /*
- * cgroup_map_cb is an abstract callback API for reporting map-valued
- * control files
- */
-
-struct cgroup_map_cb {
-       int (*fill)(struct cgroup_map_cb *cb, const char *key, u64 value);
-       void *state;
-};
-
-/*
  * struct cftype: handler definitions for cgroup control files
  *
  * When reading/writing to a file:
@@ -444,9 +434,6 @@ struct cftype {
        struct cgroup_subsys *ss;
 
        int (*open)(struct inode *inode, struct file *file);
-       ssize_t (*read)(struct cgroup_subsys_state *css, struct cftype *cft,
-                       struct file *file,
-                       char __user *buf, size_t nbytes, loff_t *ppos);
        /*
         * read_u64() is a shortcut for the common case of returning a
         * single integer. Use it in place of read()
@@ -457,24 +444,12 @@ struct cftype {
         */
        s64 (*read_s64)(struct cgroup_subsys_state *css, struct cftype *cft);
        /*
-        * read_map() is used for defining a map of key/value
-        * pairs. It should call cb->fill(cb, key, value) for each
-        * entry. The key/value pairs (and their ordering) should not
-        * change between reboots.
-        */
-       int (*read_map)(struct cgroup_subsys_state *css, struct cftype *cft,
-                       struct cgroup_map_cb *cb);
-       /*
         * read_seq_string() is used for outputting a simple sequence
         * using seqfile.
         */
        int (*read_seq_string)(struct cgroup_subsys_state *css,
                               struct cftype *cft, struct seq_file *m);
 
-       ssize_t (*write)(struct cgroup_subsys_state *css, struct cftype *cft,
-                        struct file *file,
-                        const char __user *buf, size_t nbytes, loff_t *ppos);
-
        /*
         * write_u64() is a shortcut for the common case of accepting
         * a single integer (as parsed by simple_strtoull) from