kmod: bunch of internal functions renames
[sfrench/cifs-2.6.git] / kernel / kmod.c
index 1734ba61ff239c5560c3286c1ab4a367c994f5b1..2d83511e96108ffac0f1430d4e3d39188a1536ed 100644 (file)
@@ -214,7 +214,7 @@ static void umh_complete(struct subprocess_info *sub_info)
 /*
  * This is the task which runs the usermode application
  */
-static int ____call_usermodehelper(void *data)
+static int call_usermodehelper_exec_async(void *data)
 {
        struct subprocess_info *sub_info = data;
        struct cred *new;
@@ -259,7 +259,10 @@ static int ____call_usermodehelper(void *data)
                           (const char __user *const __user *)sub_info->envp);
 out:
        sub_info->retval = retval;
-       /* wait_for_helper() will call umh_complete if UHM_WAIT_PROC. */
+       /*
+        * call_usermodehelper_exec_sync() will call umh_complete
+        * if UHM_WAIT_PROC.
+        */
        if (!(sub_info->wait & UMH_WAIT_PROC))
                umh_complete(sub_info);
        if (!retval)
@@ -268,14 +271,14 @@ out:
 }
 
 /* Keventd can't block, but this (a child) can. */
-static int wait_for_helper(void *data)
+static int call_usermodehelper_exec_sync(void *data)
 {
        struct subprocess_info *sub_info = data;
        pid_t pid;
 
        /* If SIGCLD is ignored sys_wait4 won't populate the status. */
        kernel_sigaction(SIGCHLD, SIG_DFL);
-       pid = kernel_thread(____call_usermodehelper, sub_info, SIGCHLD);
+       pid = kernel_thread(call_usermodehelper_exec_async, sub_info, SIGCHLD);
        if (pid < 0) {
                sub_info->retval = pid;
        } else {
@@ -283,17 +286,18 @@ static int wait_for_helper(void *data)
                /*
                 * Normally it is bogus to call wait4() from in-kernel because
                 * wait4() wants to write the exit code to a userspace address.
-                * But wait_for_helper() always runs as keventd, and put_user()
-                * to a kernel address works OK for kernel threads, due to their
-                * having an mm_segment_t which spans the entire address space.
+                * But call_usermodehelper_exec_sync() always runs as keventd,
+                * and put_user() to a kernel address works OK for kernel
+                * threads, due to their having an mm_segment_t which spans the
+                * entire address space.
                 *
                 * Thus the __user pointer cast is valid here.
                 */
                sys_wait4(pid, (int __user *)&ret, 0, NULL);
 
                /*
-                * If ret is 0, either ____call_usermodehelper failed and the
-                * real error code is already in sub_info->retval or
+                * If ret is 0, either call_usermodehelper_exec_async failed and
+                * the real error code is already in sub_info->retval or
                 * sub_info->retval is 0 anyway, so don't mess with it then.
                 */
                if (ret)
@@ -305,17 +309,17 @@ static int wait_for_helper(void *data)
 }
 
 /* This is run by khelper thread  */
-static void __call_usermodehelper(struct work_struct *work)
+static void call_usermodehelper_exec_work(struct work_struct *work)
 {
        struct subprocess_info *sub_info =
                container_of(work, struct subprocess_info, work);
        pid_t pid;
 
        if (sub_info->wait & UMH_WAIT_PROC)
-               pid = kernel_thread(wait_for_helper, sub_info,
+               pid = kernel_thread(call_usermodehelper_exec_sync, sub_info,
                                    CLONE_FS | CLONE_FILES | SIGCHLD);
        else
-               pid = kernel_thread(____call_usermodehelper, sub_info,
+               pid = kernel_thread(call_usermodehelper_exec_async, sub_info,
                                    SIGCHLD);
 
        if (pid < 0) {
@@ -510,7 +514,7 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv,
        if (!sub_info)
                goto out;
 
-       INIT_WORK(&sub_info->work, __call_usermodehelper);
+       INIT_WORK(&sub_info->work, call_usermodehelper_exec_work);
        sub_info->path = path;
        sub_info->argv = argv;
        sub_info->envp = envp;