fs/fat: split out helper to init fsdata

[u-boot] / fs / zfs / dev.c

diff --git a/fs/zfs/dev.c b/fs/zfs/dev.c
index d68372c8089e0a60e95b8f0da489a2896f3bb6bd..2f409e66cddf0f6f5748144a962c1fd335c9f154 100644 (file)
--- a/fs/zfs/dev.c
+++ b/fs/zfs/dev.c
@@ -5,19 +5,7 @@
  *     (C) Copyright 2003 - 2004
  *     Sysgo AG, <www.elinos.com>, Pavel Bartusek <pba@sysgo.com>
  *
- *     This program is free software; you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation; either version 2 of the License, or
- *     (at your option) any later version.
- *
- *     This program is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program; if not, write to the Free Software
- *     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 
@@ -25,24 +13,13 @@
 #include <config.h>
 #include <zfs_common.h>
 
-static block_dev_desc_t *zfs_block_dev_desc;
-static disk_partition_t part_info;
+static struct blk_desc *zfs_blk_desc;
+static disk_partition_t *part_info;
 
-int zfs_set_blk_dev(block_dev_desc_t *rbdd, int part)
+void zfs_set_blk_dev(struct blk_desc *rbdd, disk_partition_t *info)
 {
-       zfs_block_dev_desc = rbdd;
-
-       if (part == 0) {
-               /* disk doesn't use partition table */
-               part_info.start = 0;
-               part_info.size = rbdd->lba;
-               part_info.blksz = rbdd->blksz;
-       } else {
-               if (get_partition_info(zfs_block_dev_desc, part, &part_info))
-                       return 0;
-       }
-
-       return part_info.size;
+       zfs_blk_desc = rbdd;
+       part_info = info;
 }
 
 /* err */
@@ -57,7 +34,7 @@ int zfs_devread(int sector, int byte_offset, int byte_len, char *buf)
         */
        if ((sector < 0) ||
                ((sector + ((byte_offset + byte_len - 1) >> SECTOR_BITS)) >=
-                part_info.size)) {
+                part_info->size)) {
                /*              errnum = ERR_OUTSIDE_PART; */
                printf(" ** zfs_devread() read outside partition sector %d\n", sector);
                return 1;
@@ -71,16 +48,16 @@ int zfs_devread(int sector, int byte_offset, int byte_len, char *buf)
 
        debug(" <%d, %d, %d>\n", sector, byte_offset, byte_len);
 
-       if (zfs_block_dev_desc == NULL) {
+       if (zfs_blk_desc == NULL) {
                printf("** Invalid Block Device Descriptor (NULL)\n");
                return 1;
        }
 
        if (byte_offset != 0) {
                /* read first part which isn't aligned with start of sector */
-               if (zfs_block_dev_desc->block_read(zfs_block_dev_desc->dev,
-                                                                                  part_info.start + sector, 1,
-                                                                                  (unsigned long *) sec_buf) != 1) {
+               if (zfs_blk_desc->block_read(zfs_blk_desc,
+                                            part_info->start + sector, 1,
+                                            (void *)sec_buf) != 1) {
                        printf(" ** zfs_devread() read error **\n");
                        return 1;
                }
@@ -101,18 +78,16 @@ int zfs_devread(int sector, int byte_offset, int byte_len, char *buf)
                u8 p[SECTOR_SIZE];
 
                block_len = SECTOR_SIZE;
-               zfs_block_dev_desc->block_read(zfs_block_dev_desc->dev,
-                                                                          part_info.start + sector,
-                                                                          1, (unsigned long *)p);
+               zfs_blk_desc->block_read(zfs_blk_desc,
+                                        part_info->start + sector,
+                                        1, (void *)p);
                memcpy(buf, p, byte_len);
                return 0;
        }
 
-       if (zfs_block_dev_desc->block_read(zfs_block_dev_desc->dev,
-                                                                          part_info.start + sector,
-                                                                          block_len / SECTOR_SIZE,
-                                                                          (unsigned long *) buf) !=
-               block_len / SECTOR_SIZE) {
+       if (zfs_blk_desc->block_read(zfs_blk_desc, part_info->start + sector,
+                                    block_len / SECTOR_SIZE,
+                                    (void *)buf) != block_len / SECTOR_SIZE) {
                printf(" ** zfs_devread() read error - block\n");
                return 1;
        }
@@ -124,10 +99,9 @@ int zfs_devread(int sector, int byte_offset, int byte_len, char *buf)
 
        if (byte_len != 0) {
                /* read rest of data which are not in whole sector */
-               if (zfs_block_dev_desc->
-                       block_read(zfs_block_dev_desc->dev,
-                                          part_info.start + sector, 1,
-                                          (unsigned long *) sec_buf) != 1) {
+               if (zfs_blk_desc->block_read(zfs_blk_desc,
+                                            part_info->start + sector,
+                                            1, (void *)sec_buf) != 1) {
                        printf(" ** zfs_devread() read error - last part\n");
                        return 1;
                }