[PATCH] ide-cd: clear random-write capability it not supported

[linux-2.6] / drivers / ide / ide-cd.c

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 421b62d900afc641e4cd377ec1f367448684a441..9b2ebd219ad0d0fc8c8aabf83c60fc1b99548d1f 100644 (file)
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -614,7 +614,7 @@ static void cdrom_end_request (ide_drive_t *drive, int uptodate)
                         */
                        spin_lock_irqsave(&ide_lock, flags);
                        end_that_request_chunk(failed, 0, failed->data_len);
-                       end_that_request_last(failed);
+                       end_that_request_last(failed, 0);
                        spin_unlock_irqrestore(&ide_lock, flags);
                }
 
@@ -1292,7 +1292,6 @@ static ide_startstop_t cdrom_start_seek (ide_drive_t *drive, unsigned int block)
        struct cdrom_info *info = drive->driver_data;
 
        info->dma = 0;
-       info->cmd = 0;
        info->start_seek = jiffies;
        return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation);
 }
@@ -1333,8 +1332,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
        if (cdrom_read_from_buffer(drive))
                return ide_stopped;
 
-       blk_attempt_remerge(drive->queue, rq);
-
        /* Clear the local sector buffer. */
        info->nsectors_buffered = 0;
 
@@ -1344,8 +1341,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
            (rq->nr_sectors & (sectors_per_frame - 1)))
                info->dma = 0;
 
-       info->cmd = READ;
-
        /* Start sending the read request to the drive. */
        return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation);
 }
@@ -1484,7 +1479,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
        struct cdrom_info *info = drive->driver_data;
 
        info->dma = 0;
-       info->cmd = 0;
        rq->flags &= ~REQ_FAILED;
        len = rq->data_len;
 
@@ -1739,7 +1733,7 @@ end_request:
 
        spin_lock_irqsave(&ide_lock, flags);
        blkdev_dequeue_request(rq);
-       end_that_request_last(rq);
+       end_that_request_last(rq, 1);
        HWGROUP(drive)->rq = NULL;
        spin_unlock_irqrestore(&ide_lock, flags);
        return ide_stopped;
@@ -1878,20 +1872,11 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq)
                return ide_stopped;
        }
 
-       /*
-        * for dvd-ram and such media, it's a really big deal to get
-        * big writes all the time. so scour the queue and attempt to
-        * remerge requests, often the plugging will not have had time
-        * to do this properly
-        */
-       blk_attempt_remerge(drive->queue, rq);
-
        info->nsectors_buffered = 0;
 
        /* use dma, if possible. we don't need to check more, since we
         * know that the transfer is always (at least!) frame aligned */
        info->dma = drive->using_dma ? 1 : 0;
-       info->cmd = WRITE;
 
        info->devinfo.media_written = 1;
 
@@ -1916,7 +1901,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
        rq->flags |= REQ_QUIET;
 
        info->dma = 0;
-       info->cmd = 0;
 
        /*
         * sg request
@@ -1925,7 +1909,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
                int mask = drive->queue->dma_alignment;
                unsigned long addr = (unsigned long) page_address(bio_page(rq->bio));
 
-               info->cmd = rq_data_dir(rq);
                info->dma = drive->using_dma;
 
                /*
@@ -2912,6 +2895,8 @@ static int ide_cdrom_register (ide_drive_t *drive, int nslots)
                devinfo->mask |= CDC_CLOSE_TRAY;
        if (!CDROM_CONFIG_FLAGS(drive)->mo_drive)
                devinfo->mask |= CDC_MO_DRIVE;
+       if (!CDROM_CONFIG_FLAGS(drive)->ram)
+               devinfo->mask |= CDC_RAM;
 
        devinfo->disk = info->disk;
        return register_cdrom(devinfo);
@@ -3510,12 +3495,13 @@ static void __exit ide_cdrom_exit(void)
 {
        driver_unregister(&ide_cdrom_driver.gen_driver);
 }
- 
-static int ide_cdrom_init(void)
+
+static int __init ide_cdrom_init(void)
 {
        return driver_register(&ide_cdrom_driver.gen_driver);
 }
 
+MODULE_ALIAS("ide:*m-cdrom*");
 module_init(ide_cdrom_init);
 module_exit(ide_cdrom_exit);
 MODULE_LICENSE("GPL");