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LD_ISCSI: use read16 instead of read10

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Use READ16 to support for large volumes. READ16 takes a 64bit LBA offset instead
of 32bit.
This commit is contained in:
Peter Lieven
2012-10-21 08:17:40 +02:00
parent 86fa62558e
commit 54d8aa0ab6
1 changed files with 3 additions and 3 deletions
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6
src/ld_iscsi.c
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@@ -260,7 +260,7 @@ ssize_t read(int fd, void *buf, size_t count)
{
if ((iscsi_fd_list[fd].is_iscsi == 1) && (iscsi_fd_list[fd].in_flight == 0)) {
uint64_t offset;
uint32_t num_blocks, lba;
uint64_t num_blocks, lba;
struct scsi_task *task;
if (iscsi_fd_list[fd].dup2fd >= 0) {
@@ -280,10 +280,10 @@ ssize_t read(int fd, void *buf, size_t count)
count = num_blocks * iscsi_fd_list[fd].block_size;
}
LD_ISCSI_DPRINTF(4,"read10_sync: lun %d, lba %u, num_blocks: %u, block_size: %d, offset: %lu count: %lu",iscsi_fd_list[fd].lun,lba,num_blocks,iscsi_fd_list[fd].block_size,offset,count);
LD_ISCSI_DPRINTF(4,"read16_sync: lun %d, lba %lu, num_blocks: %lu, block_size: %d, offset: %lu count: %lu",iscsi_fd_list[fd].lun,lba,num_blocks,iscsi_fd_list[fd].block_size,offset,count);
iscsi_fd_list[fd].in_flight = 1;
task = iscsi_read10_sync(iscsi_fd_list[fd].iscsi, iscsi_fd_list[fd].lun, lba, num_blocks * iscsi_fd_list[fd].block_size, iscsi_fd_list[fd].block_size, 0, 0, 0, 0, 0);
task = iscsi_read16_sync(iscsi_fd_list[fd].iscsi, iscsi_fd_list[fd].lun, lba, num_blocks * iscsi_fd_list[fd].block_size, iscsi_fd_list[fd].block_size, 0, 0, 0, 0, 0);
iscsi_fd_list[fd].in_flight = 0;
if (task == NULL || task->status != SCSI_STATUS_GOOD) {
LD_ISCSI_DPRINTF(0,"failed to send read10 command");