A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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scsi: remove bidirectional command support

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No real need for bidi support once the OSD code is gone.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Jens Axboe <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
This commit is contained in:
Christoph Hellwig 2019-01-29 09:33:07 +01:00 • committed by Martin K. Petersen
commit ae3d56d815
12 changed files with 34 additions and 268 deletions
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15
drivers/target/loopback/tcm_loop.c
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@ -128,14 +128,6 @@ static void tcm_loop_submission_work(struct work_struct *work)
set_host_byte(sc, DID_ERROR);
goto out_done;
}
if (scsi_bidi_cmnd(sc)) {
struct scsi_data_buffer *sdb = scsi_in(sc);
sgl_bidi = sdb->table.sgl;
sgl_bidi_count = sdb->table.nents;
se_cmd->se_cmd_flags |= SCF_BIDI;
}
transfer_length = scsi_transfer_length(sc);
if (!scsi_prot_sg_count(sc) &&
@ -304,12 +296,6 @@ static int tcm_loop_target_reset(struct scsi_cmnd *sc)
return FAILED;
}
static int tcm_loop_slave_alloc(struct scsi_device *sd)
{
blk_queue_flag_set(QUEUE_FLAG_BIDI, sd->request_queue);
return 0;
}
static struct scsi_host_template tcm_loop_driver_template = {
.show_info = tcm_loop_show_info,
.proc_name = "tcm_loopback",
@ -325,7 +311,6 @@ static struct scsi_host_template tcm_loop_driver_template = {
.cmd_per_lun = 1024,
.max_sectors = 0xFFFF,
.dma_boundary = PAGE_SIZE - 1,
.slave_alloc = tcm_loop_slave_alloc,
.module = THIS_MODULE,
.track_queue_depth = 1,
};