root/morphix/trunk/cloop/cloop.devfs.diff

compressed_loop.c

@@ -14 +14 @@
- * Redistribution of this file is permitted under the GNU Public License.
- *
- * CHANGES:
+ *          * Wed Jan  8 2003 Eduard Bloch
+ *          - added minimalistic hooks for devfs support, target file is
+ *            /dev/cloop/0
- *          * Sat Aug 17 2002 Klaus Knopper
- *          - Removed ll_rw_blk() in favor of do_generic_file_read for
- *            better NFS support
@@ -77 +80 @@
-#include <linux/major.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
+#include <linux/devfs_fs_kernel.h>
-#include <asm/semaphore.h>
-#include <asm/uaccess.h>
-#include "compressed_loop.h"
@@ -158 +162 @@
-
-static struct cloop_device cloop_dev;
-static char *cloop_name=CLOOP_NAME;
+static int max_cloop = 1;
+static devfs_handle_t devfs_handle;      /*  For the directory */
-
-#ifndef CONFIG_ZLIB_INFLATE
-/* Use zlib uncompress */
@@ -846 +852 @@
- cloop_dev.backing_file=NULL;
- if(!init_loopback()) return -EINVAL;
-
-
+devfs_
-  {
-   printk(KERN_WARNING "%s: Unable to get major %d for cloop\n",
-          cloop_name, MAJOR_NR);
@@ -857 +863 @@
-    }
-   return -EIO;
-  }
+ devfs_handle = devfs_mk_dir(NULL, "cloop", NULL);
+ devfs_register_series(devfs_handle, "%u", max_cloop, DEVFS_FL_DEFAULT,
+                 MAJOR_NR, 0,
+                 S_IFBLK | S_IRUSR | S_IWUSR | S_IRGRP,
+                 &clo_fops, NULL);
+
+ printk(KERN_INFO "cloop: loaded (max %d devices)\n", max_cloop);
+
+
+    
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), DEVICE_REQUEST);
@@ -871 +887 @@
-
-void cleanup_module(void) 
-{
-
+devfs_
-   printk(KERN_WARNING "%s: cannot unregister block device\n", cloop_name);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0)
- blk_cleanup_queue(BLK_DEFAULT_QUEUE(MAJOR_NR));