 @@ -1,197 +1,197 @@
-/*        $NetBSD: dm_target_linear.c,v 1.35 2019/12/21 11:59:03 tkusumi Exp $      */
+/*        $NetBSD: dm_target_linear.c,v 1.36 2019/12/28 15:38:16 tkusumi Exp $      */
 /*
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
  * All rights reserved.
+ *
  * This code is derived from software contributed to The NetBSD Foundation
  * by Adam Hamsik.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_target_linear.c,v 1.35 2019/12/21 11:59:03 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target_linear.c,v 1.36 2019/12/28 15:38:16 tkusumi Exp $");
 /*
- * This file implements initial version of device-mapper dklinear target.
+ * This file implements initial version of device-mapper linear target.
  */
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/buf.h>
 #include <sys/kmem.h>
 #include <sys/lwp.h>
 #include <machine/int_fmtio.h>
 #include "dm.h"
 /*
  * Allocate target specific config data, and link them to table.
  * This function is called only when, flags is not READONLY and
  * therefore we can add things to pdev list. This should not a
  * problem because this routine is called only from dm_table_load_ioctl.
  * @argv[0] is name,
  * @argv[1] is physical data offset.
  */
 int
 dm_target_linear_init(dm_table_entry_t *table_en, int argc, char **argv)
+{
 	dm_target_linear_config_t *tlc;
 	dm_pdev_t *dmp;
 	if (argc != 2) {
 		printf("Linear target takes 2 args, %d given\n", argc);
 		return EINVAL;
+	}
 	aprint_debug("Linear target init function called %s--%s!!\n",
 	    argv[0], argv[1]);
 	/* Insert dmp to global pdev list */
 	if ((dmp = dm_pdev_insert(argv[0])) == NULL)
 		return ENOENT;
 	tlc = kmem_alloc(sizeof(dm_target_linear_config_t), KM_SLEEP);
 	tlc->pdev = dmp;
 	tlc->offset = atoi64(argv[1]);
 	dm_table_add_deps(table_en, dmp);
 	table_en->target_config = tlc;
 	return 0;
+}
 /*
  * Table routine is called to get params string, which is target
  * specific. When dm_table_status_ioctl is called with flag
  * DM_STATUS_TABLE_FLAG I have to sent params string back.
  */
 char *
 dm_target_linear_table(void *target_config)
+{
 	dm_target_linear_config_t *tlc;
 	char *params;
 	tlc = target_config;
 	aprint_debug("Linear target table function called\n");
 	params = kmem_alloc(DM_MAX_PARAMS_SIZE, KM_SLEEP);
 	snprintf(params, DM_MAX_PARAMS_SIZE, "%s %" PRIu64,
 	    tlc->pdev->udev_name, tlc->offset);
 	return params;
+}
 /*
  * Do IO operation, called from dmstrategy routine.
  */
 int
 dm_target_linear_strategy(dm_table_entry_t *table_en, struct buf *bp)
+{
 	dm_target_linear_config_t *tlc;
 	tlc = table_en->target_config;
 	bp->b_blkno += tlc->offset;
 	VOP_STRATEGY(tlc->pdev->pdev_vnode, bp);
 	return 0;
+}
 /*
  * Sync underlying disk caches.
  */
 int
 dm_target_linear_sync(dm_table_entry_t *table_en)
+{
 	int cmd;
 	dm_target_linear_config_t *tlc;
 	tlc = table_en->target_config;
 	cmd = 1;
 	return VOP_IOCTL(tlc->pdev->pdev_vnode,  DIOCCACHESYNC, &cmd,
 	    FREAD|FWRITE, kauth_cred_get());
+}
 /*
  * Destroy target specific data. Decrement table pdevs.
  */
 int
 dm_target_linear_destroy(dm_table_entry_t *table_en)
+{
 	/*
 	 * Destroy function is called for every target even if it
 	 * doesn't have target_config.
 	 */
 	if (table_en->target_config == NULL)
 		goto out;
 	dm_target_linear_config_t *tlc = table_en->target_config;
 	/* Decrement pdev ref counter if 0 remove it */
 	dm_pdev_decr(tlc->pdev);
 	kmem_free(tlc, sizeof(*tlc));
 out:
 	/* Unbusy target so we can unload it */
 	dm_target_unbusy(table_en->target);
 	return 0;
+}
 /*
  * Register upcall device.
  * Linear target doesn't need any upcall devices but other targets like
  * mirror, snapshot, multipath, stripe will use this functionality.
  */
 int
 dm_target_linear_upcall(dm_table_entry_t *table_en, struct buf *bp)
+{
 	return 0;
+}
 /*
  * Query physical block size of this target
  * For a linear target this is just the sector size of the underlying device
  */
 int
 dm_target_linear_secsize(dm_table_entry_t *table_en, unsigned int *secsizep)
+{
 	dm_target_linear_config_t *tlc;
 	unsigned int secsize;
 	secsize = 0;
 	tlc = table_en->target_config;
 	if (tlc != NULL)
 		secsize = tlc->pdev->pdev_secsize;
 	*secsizep = secsize;
 	return 0;
+}