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authorRob Herring <rob.herring@calxeda.com>2012-08-23 11:31:49 +0000
committerTom Rini <trini@ti.com>2012-09-25 14:49:17 -0700
commit412045704477a9b4d46b7e1fddbd53ec5dcde155 (patch)
tree2be3c498fd374bbef140f8359d439fd18dffc3a4 /fs
parent475c7970c18526adb406f8bc648c44255b300225 (diff)
downloadu-boot-linaro-stable-412045704477a9b4d46b7e1fddbd53ec5dcde155.tar.gz
cmd_zfs: use common get_device_and_partition function
Convert zfsload and zfsls 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>
Diffstat (limited to 'fs')
-rw-r--r--fs/zfs/dev.c35
1 files changed, 11 insertions, 24 deletions
diff --git a/fs/zfs/dev.c b/fs/zfs/dev.c
index d68372c80..36be8f5c8 100644
--- a/fs/zfs/dev.c
+++ b/fs/zfs/dev.c
@@ -26,23 +26,12 @@
#include <zfs_common.h>
static block_dev_desc_t *zfs_block_dev_desc;
-static disk_partition_t part_info;
+static disk_partition_t *part_info;
-int zfs_set_blk_dev(block_dev_desc_t *rbdd, int part)
+void zfs_set_blk_dev(block_dev_desc_t *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;
+ part_info = info;
}
/* err */
@@ -57,7 +46,7 @@ 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;
@@ -79,8 +68,8 @@ int zfs_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 (zfs_block_dev_desc->block_read(zfs_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(" ** zfs_devread() read error **\n");
return 1;
}
@@ -102,17 +91,15 @@ int zfs_devread(int sector, int byte_offset, int byte_len, char *buf)
block_len = SECTOR_SIZE;
zfs_block_dev_desc->block_read(zfs_block_dev_desc->dev,
- part_info.start + sector,
- 1, (unsigned long *)p);
+ part_info->start + sector,
+ 1, (unsigned long *)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) {
+ part_info->start + sector, block_len / SECTOR_SIZE,
+ (unsigned long *) buf) != block_len / SECTOR_SIZE) {
printf(" ** zfs_devread() read error - block\n");
return 1;
}
@@ -126,7 +113,7 @@ int zfs_devread(int sector, int byte_offset, int byte_len, char *buf)
/* 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,
+ part_info->start + sector, 1,
(unsigned long *) sec_buf) != 1) {
printf(" ** zfs_devread() read error - last part\n");
return 1;