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Subject[PATCH 22/24] ide-tape: remove misc references to pipelined operation in the comments
Date
From
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
---
drivers/ide/ide-tape.c | 15 ++++-----------
1 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 9810253..07e08a3 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -267,9 +267,7 @@ typedef struct ide_tape_obj {
* While polling for DSC we use postponed_rq to postpone the current
* request so that ide.c will be able to service pending requests on the
* other device. Note that at most we will have only one DSC (usually
- * data transfer) request in the device request queue. Additional
- * requests can be queued in our internal pipeline, but they will be
- * visible to ide.c only one at a time.
+ * data transfer) request in the device request queue.
*/
struct request *postponed_rq;
/* The time in which we started polling for DSC */
@@ -309,10 +307,8 @@ typedef struct ide_tape_obj {
* At most, there is only one ide-tape originated data transfer request
* in the device request queue. This allows ide.c to easily service
* requests from the other device when we postpone our active request.
- * In the pipelined operation mode, we use our internal pipeline
- * structure to hold more data requests. The data buffer size is chosen
- * based on the tape's recommendation.
*/
+
/* ptr to the request which is waiting in the device request queue */
struct request *active_data_rq;
/* Data buffer size chosen based on the tape's recommendation */
@@ -1792,8 +1788,7 @@ static int idetape_init_read(ide_drive_t *drive)
}

/*
- * Called from idetape_chrdev_read() to service a character device read request
- * and add read-ahead requests to our pipeline.
+ * Called from idetape_chrdev_read() to service a character device read request.
*/
static int idetape_add_chrdev_read_request(ide_drive_t *drive, int blocks)
{
@@ -2112,8 +2107,7 @@ static int idetape_write_filemark(ide_drive_t *drive)
*
* Note: MTBSF and MTBSFM are not supported when the tape doesn't support
* spacing over filemarks in the reverse direction. In this case, MTFSFM is also
- * usually not supported (it is supported in the rare case in which we crossed
- * the filemark during our read-ahead pipelined operation mode).
+ * usually not supported.
*
* The following commands are currently not supported:
*
@@ -2129,7 +2123,6 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
debug_log(DBG_ERR, "Handling MTIOCTOP ioctl: mt_op=%d, mt_count=%d\n",
mt_op, mt_count);

- /* Commands which need our pipelined read-ahead stages. */
switch (mt_op) {
case MTFSF:
case MTFSFM:
--
1.5.4.1


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