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path: root/drivers/ide/ide-disk.c
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Diffstat (limited to 'drivers/ide/ide-disk.c')
-rw-r--r--drivers/ide/ide-disk.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 33d65039cce9..7433e07de30e 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -184,7 +184,7 @@ static ide_startstop_t ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
ide_hwif_t *hwif = drive->hwif;
BUG_ON(drive->dev_flags & IDE_DFLAG_BLOCKED);
- BUG_ON(!blk_fs_request(rq));
+ BUG_ON(rq->cmd_type != REQ_TYPE_FS);
ledtrig_ide_activity();
@@ -427,10 +427,15 @@ static void ide_disk_unlock_native_capacity(ide_drive_t *drive)
drive->dev_flags |= IDE_DFLAG_NOHPA; /* disable HPA on resume */
}
-static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
+static int idedisk_prep_fn(struct request_queue *q, struct request *rq)
{
ide_drive_t *drive = q->queuedata;
- struct ide_cmd *cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
+ struct ide_cmd *cmd;
+
+ if (!(rq->cmd_flags & REQ_FLUSH))
+ return BLKPREP_OK;
+
+ cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
/* FIXME: map struct ide_taskfile on rq->cmd[] */
BUG_ON(cmd == NULL);
@@ -448,6 +453,8 @@ static void idedisk_prepare_flush(struct request_queue *q, struct request *rq)
rq->cmd_type = REQ_TYPE_ATA_TASKFILE;
rq->special = cmd;
cmd->rq = rq;
+
+ return BLKPREP_OK;
}
ide_devset_get(multcount, mult_count);
@@ -513,7 +520,6 @@ static void update_ordered(ide_drive_t *drive)
{
u16 *id = drive->id;
unsigned ordered = QUEUE_ORDERED_NONE;
- prepare_flush_fn *prep_fn = NULL;
if (drive->dev_flags & IDE_DFLAG_WCACHE) {
unsigned long long capacity;
@@ -538,12 +544,12 @@ static void update_ordered(ide_drive_t *drive)
if (barrier) {
ordered = QUEUE_ORDERED_DRAIN_FLUSH;
- prep_fn = idedisk_prepare_flush;
+ blk_queue_prep_rq(drive->queue, idedisk_prep_fn);
}
} else
ordered = QUEUE_ORDERED_DRAIN;
- blk_queue_ordered(drive->queue, ordered, prep_fn);
+ blk_queue_ordered(drive->queue, ordered);
}
ide_devset_get_flag(wcache, IDE_DFLAG_WCACHE);