diff options
Diffstat (limited to 'fs/reiserfs')
| -rw-r--r-- | fs/reiserfs/dev.c | 29 |
1 files changed, 10 insertions, 19 deletions
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; } |