diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/zfs/dev.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/fs/zfs/dev.c b/fs/zfs/dev.c index d68372c..36be8f5 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; |