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From: Borislav Petkov <petkovbb@gmail.com>
To: <bzolnier@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
Borislav Petkov <bbpetkov@yahoo.de>
Subject: [PATCH 27/32] ide-tape: remove idetape_increase_max_pipeline_stages()
Date: Sun, 27 Jan 2008 10:48:15 +0100 [thread overview]
Message-ID: <1201427300-3954-22-git-send-email-petkovbb@gmail.com> (raw)
In-Reply-To: <1201427300-3954-1-git-send-email-petkovbb@gmail.com>
From: Borislav Petkov <bbpetkov@yahoo.de>
This function was being used only at one place so fold it in there.
Signed-off-by: Borislav Petkov <bbpetkov@yahoo.de>
---
drivers/ide/ide-tape.c | 36 ++++++++++++++++--------------------
1 files changed, 16 insertions(+), 20 deletions(-)
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 3c1a7db..f8a4b27 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -784,25 +784,6 @@ static void idetape_activate_next_stage(ide_drive_t *drive)
}
/*
- * idetape_increase_max_pipeline_stages is a part of the feedback
- * loop which tries to find the optimum number of stages. In the
- * feedback loop, we are starting from a minimum maximum number of
- * stages, and if we sense that the pipeline is empty, we try to
- * increase it, until we reach the user compile time memory limit.
- */
-static void idetape_increase_max_pipeline_stages (ide_drive_t *drive)
-{
- idetape_tape_t *tape = drive->driver_data;
- int increase = (tape->max_pipeline - tape->min_pipeline) / 10;
-
- debug_log(DBG_PROCS, "Enter %s\n", __func__);
-
- tape->max_stages += max(increase, 1);
- tape->max_stages = max(tape->max_stages, tape->min_pipeline);
- tape->max_stages = min(tape->max_stages, tape->max_pipeline);
-}
-
-/*
* idetape_kfree_stage calls kfree to completely free a stage, along with
* its related buffers.
*/
@@ -950,7 +931,22 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects)
(void) ide_do_drive_cmd(drive, tape->act_data_rq,
ide_end);
} else if (!error) {
- idetape_increase_max_pipeline_stages(drive);
+ /*
+ * This is a part of the feedback loop which tries to
+ * find the optimum number of stages. We are starting
+ * from a minimum maximum number of stages, and if we
+ * sense that the pipeline is empty, we try to increase
+ * it, until we reach the user compile time memory
+ * limit.
+ */
+ int i = (tape->max_pipeline - tape->min_pipeline) / 10;
+
+ tape->max_stages += max(i, 1);
+ tape->max_stages =
+ max(tape->max_stages, tape->min_pipeline);
+ tape->max_stages =
+ min(tape->max_stages, tape->max_pipeline);
+
}
}
ide_end_drive_cmd(drive, 0, 0);
--
1.5.3.7
next prev parent reply other threads:[~2008-01-27 9:57 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-27 9:47 [PATCH 06/32] ide-tape: remove IDETAPE_DEBUG_BUGS Borislav Petkov
2008-01-27 9:47 ` [PATCH 07/32] ide-tape: refactor the debug logging facility Borislav Petkov
2008-01-27 16:12 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:47 ` [PATCH 08/32] ide-tape: remove struct idetape_capabilities_page_t Borislav Petkov
2008-01-27 16:46 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:47 ` [PATCH 09/32] ide-tape: remove struct idetape_inquiry_result_t Borislav Petkov
2008-01-27 9:47 ` [PATCH 10/32] ide-tape: remove struct idetape_read_position_result_t Borislav Petkov
2008-01-27 19:43 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:47 ` [PATCH 11/32] ide-tape: remove struct idetape_data_compression_page_t Borislav Petkov
2008-01-27 9:48 ` [PATCH 12/32] ide-tape: remove struct idetape_medium_partition_page_t Borislav Petkov
2008-01-27 9:48 ` [PATCH 13/32] ide-tape: remove struct idetape_parameter_block_descriptor_t Borislav Petkov
2008-01-27 9:48 ` [PATCH 14/32] ide-tape: remove structs os_partition_t, os_dat_entry_t, os_dat_t Borislav Petkov
2008-01-27 9:48 ` [PATCH 15/32] ide-tape: remove struct idetape_block_size_page_t Borislav Petkov
2008-01-27 9:48 ` [PATCH 16/32] ide-tape: use generic scsi commands Borislav Petkov
2008-01-27 9:48 ` [PATCH 17/32] ide-tape: remove EXPERIMENTAL driver status Borislav Petkov
2008-01-27 9:48 ` [PATCH 18/32] ide-tape: use generic byteorder macros Borislav Petkov
2008-01-27 9:48 ` [PATCH 19/32] ide-tape: remove unused sense packet commands Borislav Petkov
2008-01-27 9:48 ` [PATCH 20/32] ide-tape: make function name more accurate Borislav Petkov
2008-01-27 9:48 ` [PATCH 21/32] ide-tape: idetape_chrdev_direction_t:shorten enum names Borislav Petkov
2008-01-27 18:38 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [PATCH 22/32] ide-tape: struct idetape_packet_command_s: shorten member names Borislav Petkov
2008-01-27 19:40 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [PATCH 23/32] ide-tape: struct idetape_tape_t: " Borislav Petkov
2008-02-02 23:43 ` Bartlomiej Zolnierkiewicz
2008-02-03 11:36 ` Borislav Petkov
2008-01-27 9:48 ` [PATCH 24/32] ide-tape: remove unreachable code chunk Borislav Petkov
2008-01-27 19:41 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [PATCH 25/32] ide-tape: simplify code branching in the interrupt handler Borislav Petkov
2008-01-27 19:42 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [RFC PATCH 26/32] ide-tape: remove packet command and struct request memory buffers Borislav Petkov
2008-02-03 0:03 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` Borislav Petkov [this message]
2008-02-03 0:07 ` [PATCH 27/32] ide-tape: remove idetape_increase_max_pipeline_stages() Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [PATCH 28/32] ide-tape: shorten some function names Borislav Petkov
2008-02-03 0:12 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [PATCH 29/32] ide-tape: remove mtio.h related comments Borislav Petkov
2008-01-27 18:24 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [PATCH 30/32] ide-tape: remove atomic test/set macros Borislav Petkov
2008-01-27 9:48 ` [PATCH 31/32] ide-tape: remove idetape_config_t typedef Borislav Petkov
2008-01-27 18:30 ` Bartlomiej Zolnierkiewicz
2008-01-27 9:48 ` [PATCH 32/32] ide-tape: cleanup the remaining codestyle issues Borislav Petkov
2008-01-27 10:48 ` [PATCH 06/32] ide-tape: remove IDETAPE_DEBUG_BUGS Borislav Petkov
2008-01-27 15:35 ` Bartlomiej Zolnierkiewicz
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