smash the HEAD with the contents of b_cmd. HEAD_PRE_CMD_SMASH and

[fs/lustre-release.git] / lustre / portals / libcfs / module.c

diff --git a/lustre/portals/libcfs/module.c b/lustre/portals/libcfs/module.c
index 4e63c86..9daa8e0 100644 (file)
--- a/lustre/portals/libcfs/module.c
+++ b/lustre/portals/libcfs/module.c
@@ -51,13 +51,7 @@
 
 #define PORTAL_MINOR 240
 
-struct nal_cmd_handler {
-        nal_cmd_handler_fn  *nch_handler;
-        void                *nch_private;
-};
-
-static struct nal_cmd_handler nal_cmd[NAL_MAX_NR + 1];
-static DECLARE_MUTEX(nal_cmd_sem);
+extern void (kping_client)(struct portal_ioctl_data *);
 
 #ifdef PORTAL_DEBUG
 void kportal_assertion_failed(char *expr, char *file, const char *func,
@@ -245,62 +239,6 @@ static inline void freedata(void *data, int len)
         PORTAL_FREE(data, len);
 }
 
-int
-libcfs_nal_cmd_register(int nal, nal_cmd_handler_fn *handler, void *private)
-{
-        int rc = 0;
-
-        CDEBUG(D_IOCTL, "Register NAL %d, handler: %p\n", nal, handler);
-
-        if (nal > 0  && nal <= NAL_MAX_NR) {
-                down(&nal_cmd_sem);
-                if (nal_cmd[nal].nch_handler != NULL)
-                        rc = -EBUSY;
-                else {
-                        nal_cmd[nal].nch_handler = handler;
-                        nal_cmd[nal].nch_private = private;
-                }
-                up(&nal_cmd_sem);
-        }
-        return rc;
-}
-EXPORT_SYMBOL(libcfs_nal_cmd_register);
-
-void
-libcfs_nal_cmd_unregister(int nal)
-{
-        CDEBUG(D_IOCTL, "Unregister NAL %d\n", nal);
-
-        LASSERT(nal > 0 && nal <= NAL_MAX_NR);
-        LASSERT(nal_cmd[nal].nch_handler != NULL);
-
-        down(&nal_cmd_sem);
-        nal_cmd[nal].nch_handler = NULL;
-        nal_cmd[nal].nch_private = NULL;
-        up(&nal_cmd_sem);
-}
-EXPORT_SYMBOL(libcfs_nal_cmd_unregister);
-
-int
-libcfs_nal_cmd(struct portals_cfg *pcfg)
-{
-        __u32 nal = pcfg->pcfg_nal;
-        int   rc = -EINVAL;
-        ENTRY;
-
-        down(&nal_cmd_sem);
-        if (nal > 0 && nal <= NAL_MAX_NR && 
-            nal_cmd[nal].nch_handler != NULL) {
-                CDEBUG(D_IOCTL, "calling handler nal: %d, cmd: %d\n", nal, 
-                       pcfg->pcfg_command);
-                rc = nal_cmd[nal].nch_handler(pcfg, nal_cmd[nal].nch_private);
-        }
-        up(&nal_cmd_sem);
-
-        RETURN(rc);
-}
-EXPORT_SYMBOL(libcfs_nal_cmd);
-
 static DECLARE_RWSEM(ioctl_list_sem);
 static LIST_HEAD(ioctl_list);
 
@@ -401,22 +339,14 @@ static int libcfs_ioctl(struct inode *inode, struct file *file,
                 err = lwt_control (data->ioc_flags, data->ioc_misc);
                 break;
                 
-        case IOC_PORTAL_LWT_SNAPSHOT: {
-                cycles_t   now;
-                int        ncpu;
-                int        total_size;
-                
-                err = lwt_snapshot (&now, &ncpu, &total_size,
+        case IOC_PORTAL_LWT_SNAPSHOT:
+                err = lwt_snapshot (&data->ioc_nid,
+                                    &data->ioc_count, &data->ioc_misc,
                                     data->ioc_pbuf1, data->ioc_plen1);
-                data->ioc_nid = now;
-                data->ioc_count = ncpu;
-                data->ioc_misc = total_size;
-
                 if (err == 0 &&
                     copy_to_user((char *)arg, data, sizeof (*data)))
                         err = -EFAULT;
                 break;
-        }
                 
         case IOC_PORTAL_LWT_LOOKUP_STRING:
                 err = lwt_lookup_string (&data->ioc_count, data->ioc_pbuf1,
@@ -426,33 +356,6 @@ static int libcfs_ioctl(struct inode *inode, struct file *file,
                         err = -EFAULT;
                 break;
 #endif
-        case IOC_PORTAL_NAL_CMD: {
-                struct portals_cfg pcfg;
-
-                if (data->ioc_plen1 != sizeof(pcfg)) {
-                        CERROR("Bad ioc_plen1 %d (wanted %d)\n",
-                               data->ioc_plen1, sizeof(pcfg));
-                        err = -EINVAL;
-                        break;
-                }
-
-                if (copy_from_user(&pcfg, (void *)data->ioc_pbuf1, 
-                                   sizeof(pcfg))) {
-                        err = -EFAULT;
-                        break;
-                }
-
-                CDEBUG (D_IOCTL, "nal command nal %d cmd %d\n", pcfg.pcfg_nal,
-                        pcfg.pcfg_command);
-                err = libcfs_nal_cmd(&pcfg);
-
-                if (err == 0 &&
-                    copy_to_user((char *)data->ioc_pbuf1, &pcfg, 
-                                 sizeof (pcfg)))
-                        err = -EFAULT;
-                break;
-        }
-
         case IOC_PORTAL_MEMHOG:
                 if (!capable (CAP_SYS_ADMIN))
                         err = -EPERM;