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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-08 07:45:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-08 07:45:36 -0700
commitcf90bfe2ebaf9d32f37acbebb7425c280fd6cd30 (patch)
treed3e3f2067dc423721d698d154e15213aa5b0132d
parentMerge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 (diff)
parentide: Fix IDE taskfile with cfq scheduler (diff)
downloadlinux-dev-cf90bfe2ebaf9d32f37acbebb7425c280fd6cd30.tar.xz
linux-dev-cf90bfe2ebaf9d32f37acbebb7425c280fd6cd30.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6: ide: Fix IDE taskfile with cfq scheduler ide: Must hold queue lock when requeueing ide: Requeue request after DMA timeout
-rw-r--r--drivers/ide/ide-atapi.c2
-rw-r--r--drivers/ide/ide-dma.c1
-rw-r--r--drivers/ide/ide-io.c2
-rw-r--r--drivers/ide/ide-taskfile.c6
-rw-r--r--include/linux/ide.h1
5 files changed, 6 insertions, 6 deletions
diff --git a/drivers/ide/ide-atapi.c b/drivers/ide/ide-atapi.c
index a4046e94158d..f9daffd7d0e3 100644
--- a/drivers/ide/ide-atapi.c
+++ b/drivers/ide/ide-atapi.c
@@ -264,8 +264,8 @@ void ide_retry_pc(ide_drive_t *drive)
* of it. The failed command will be retried after sense data
* is acquired.
*/
- blk_requeue_request(failed_rq->q, failed_rq);
drive->hwif->rq = NULL;
+ ide_requeue_and_plug(drive, failed_rq);
if (ide_queue_sense_rq(drive, pc)) {
blk_start_request(failed_rq);
ide_complete_rq(drive, -EIO, blk_rq_bytes(failed_rq));
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 2c17e3fb43e3..06b14bc9a1d4 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -493,6 +493,7 @@ ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
if (rq) {
hwif->rq = NULL;
rq->errors = 0;
+ ide_requeue_and_plug(drive, rq);
}
return ret;
}
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index db96138fefcd..172ac9218154 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -566,7 +566,7 @@ plug_device_2:
blk_plug_device(q);
}
-static void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq)
+void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq)
{
struct request_queue *q = drive->queue;
unsigned long flags;
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index cc8633cbe133..67fb73559fd5 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -428,13 +428,11 @@ int ide_raw_taskfile(ide_drive_t *drive, struct ide_cmd *cmd, u8 *buf,
{
struct request *rq;
int error;
+ int rw = !(cmd->tf_flags & IDE_TFLAG_WRITE) ? READ : WRITE;
- rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
+ rq = blk_get_request(drive->queue, rw, __GFP_WAIT);
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
- if (cmd->tf_flags & IDE_TFLAG_WRITE)
- rq->cmd_flags |= REQ_RW;
-
/*
* (ks) We transfer currently only whole sectors.
* This is suffient for now. But, it would be great,
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 97e6ab435184..3239d1c10acb 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1169,6 +1169,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout);
extern void ide_timer_expiry(unsigned long);
extern irqreturn_t ide_intr(int irq, void *dev_id);
extern void do_ide_request(struct request_queue *);
+extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq);
void ide_init_disk(struct gendisk *, ide_drive_t *);