From c77380d4534c65cc9865a6b4efea44be4d039207 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Thu, 23 Oct 2008 23:22:09 +0200 Subject: [PATCH] ide-disk: set non-rotational queue flag for SSD and CF devices Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 223750c1b5a6..e5adebe8ac2c 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -600,6 +600,7 @@ static int ide_disk_check(ide_drive_t *drive, const char *s) static void ide_disk_setup(ide_drive_t *drive) { struct ide_disk_obj *idkp = drive->driver_data; + struct request_queue *q = drive->queue; ide_hwif_t *hwif = drive->hwif; u16 *id = drive->id; char *m = (char *)&id[ATA_ID_PROD]; @@ -626,11 +627,14 @@ static void ide_disk_setup(ide_drive_t *drive) if (max_s > hwif->rqsize) max_s = hwif->rqsize; - blk_queue_max_sectors(drive->queue, max_s); + blk_queue_max_sectors(q, max_s); } printk(KERN_INFO "%s: max request size: %dKiB\n", drive->name, - drive->queue->max_sectors / 2); + q->max_sectors / 2); + + if (ata_id_is_ssd(id) || ata_id_is_cfa(id)) + queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q); /* calculate drive capacity, and select LBA if possible */ ide_disk_get_capacity(drive);