From: Rob Herring rob.herring@calxeda.com
Convert reiserload and reiserls to use common device and partition parsing function. With the common function "dev:part" can come from the environment and a '-' can be used in that case.
Signed-off-by: Rob Herring rob.herring@calxeda.com --- common/cmd_reiser.c | 81 +++++++++++---------------------------------------- fs/reiserfs/dev.c | 29 +++++++----------- include/reiserfs.h | 2 +- 3 files changed, 28 insertions(+), 84 deletions(-)
diff --git a/common/cmd_reiser.c b/common/cmd_reiser.c index fbb9484..2865014 100644 --- a/common/cmd_reiser.c +++ b/common/cmd_reiser.c @@ -50,43 +50,27 @@ int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { char *filename = "/"; - int dev=0; - int part=1; - char *ep; + int dev, part; block_dev_desc_t *dev_desc=NULL; - int part_length; + disk_partition_t info;
if (argc < 3) return CMD_RET_USAGE;
- dev = (int)simple_strtoul (argv[2], &ep, 16); - dev_desc = get_dev(argv[1],dev); - - if (dev_desc == NULL) { - printf ("\n** Block device %s %d not supported\n", argv[1], dev); + part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info); + if (part < 0) return 1; - } - - if (*ep) { - if (*ep != ':') { - puts ("\n** Invalid boot device, use `dev[:part]' **\n"); - return 1; - } - part = (int)simple_strtoul(++ep, NULL, 16); - }
if (argc == 4) { filename = argv[3]; }
+ dev = dev_desc->dev; PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
- if ((part_length = reiserfs_set_blk_dev(dev_desc, part)) == 0) { - printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part); - return 1; - } + reiserfs_set_blk_dev(dev_desc, &info);
- if (!reiserfs_mount(part_length)) { + if (!reiserfs_mount(info.size)) { printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part); return 1; } @@ -112,9 +96,8 @@ U_BOOT_CMD( int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { char *filename = NULL; - char *ep; - int dev, part = 0; - ulong addr = 0, part_length, filelen; + int dev, part; + ulong addr = 0, filelen; disk_partition_t info; block_dev_desc_t *dev_desc = NULL; char buf [12]; @@ -157,49 +140,19 @@ int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) return 1; }
- dev = (int)simple_strtoul (argv[2], &ep, 16); - dev_desc = get_dev(argv[1],dev); - if (dev_desc==NULL) { - printf ("\n** Block device %s %d not supported\n", argv[1], dev); + part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info); + if (part < 0) return 1; - } - if (*ep) { - if (*ep != ':') { - puts ("\n** Invalid boot device, use `dev[:part]' **\n"); - return 1; - } - part = (int)simple_strtoul(++ep, NULL, 16); - }
- PRINTF("Using device %s%d, partition %d\n", argv[1], dev, part); + dev = dev_desc->dev;
- if (part != 0) { - if (get_partition_info (dev_desc, part, &info)) { - printf ("** Bad partition %d **\n", part); - return 1; - } + printf("Loading file "%s" from %s device %d%c%c\n", + filename, argv[1], dev, + part ? ':' : ' ', part ? part + '0' : ' ');
- if (strncmp((char *)info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) { - printf ("\n** Invalid partition type "%.32s"" - " (expect "" BOOT_PART_TYPE "")\n", - info.type); - return 1; - } - PRINTF ("\nLoading from block device %s device %d, partition %d: " - "Name: %.32s Type: %.32s File:%s\n", - argv[1], dev, part, info.name, info.type, filename); - } else { - PRINTF ("\nLoading from block device %s device %d, File:%s\n", - argv[1], dev, filename); - } - - - if ((part_length = reiserfs_set_blk_dev(dev_desc, part)) == 0) { - printf ("** Bad partition - %s %d:%d **\n", argv[1], dev, part); - return 1; - } + reiserfs_set_blk_dev(dev_desc, &info);
- if (!reiserfs_mount(part_length)) { + if (!reiserfs_mount(info.size)) { printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part); return 1; } diff --git a/fs/reiserfs/dev.c b/fs/reiserfs/dev.c index 1facfaf..cb288d6 100644 --- a/fs/reiserfs/dev.c +++ b/fs/reiserfs/dev.c @@ -25,24 +25,13 @@ #include "reiserfs_private.h"
static block_dev_desc_t *reiserfs_block_dev_desc; -static disk_partition_t part_info; +static disk_partition_t *part_info;
-int reiserfs_set_blk_dev(block_dev_desc_t *rbdd, int part) +void reiserfs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info) { reiserfs_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 (reiserfs_block_dev_desc, part, &part_info)) { - return 0; - } - } - return (part_info.size); + part_info = info; }
@@ -59,7 +48,7 @@ int reiserfs_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 (" ** reiserfs_devread() read outside partition\n"); return 0; @@ -83,7 +72,8 @@ int reiserfs_devread (int sector, int byte_offset, int byte_len, char *buf) if (byte_offset != 0) { /* read first part which isn't aligned with start of sector */ if (reiserfs_block_dev_desc->block_read(reiserfs_block_dev_desc->dev, - part_info.start+sector, 1, (unsigned long *)sec_buf) != 1) { + part_info->start + sector, 1, + (unsigned long *)sec_buf) != 1) { printf (" ** reiserfs_devread() read error\n"); return 0; } @@ -96,8 +86,8 @@ int reiserfs_devread (int sector, int byte_offset, int byte_len, char *buf) /* read sector aligned part */ block_len = byte_len & ~(SECTOR_SIZE-1); if (reiserfs_block_dev_desc->block_read(reiserfs_block_dev_desc->dev, - part_info.start+sector, block_len/SECTOR_SIZE, (unsigned long *)buf) != - block_len/SECTOR_SIZE) { + part_info->start + sector, block_len/SECTOR_SIZE, + (unsigned long *)buf) != block_len/SECTOR_SIZE) { printf (" ** reiserfs_devread() read error - block\n"); return 0; } @@ -108,7 +98,8 @@ int reiserfs_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 (reiserfs_block_dev_desc->block_read(reiserfs_block_dev_desc->dev, - part_info.start+sector, 1, (unsigned long *)sec_buf) != 1) { + part_info->start + sector, 1, + (unsigned long *)sec_buf) != 1) { printf (" ** reiserfs_devread() read error - last part\n"); return 0; } diff --git a/include/reiserfs.h b/include/reiserfs.h index c465b3c..dc89342 100644 --- a/include/reiserfs.h +++ b/include/reiserfs.h @@ -75,7 +75,7 @@ typedef enum } reiserfs_error_t;
-extern int reiserfs_set_blk_dev(block_dev_desc_t *rbdd, int part); +extern void reiserfs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info); extern int reiserfs_ls (char *dirname); extern int reiserfs_open (char *filename); extern int reiserfs_read (char *buf, unsigned len);