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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-03-07 21:53:49 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-03-07 21:53:49 +0100 |
| commit | b348487f0dc06f09a4c0d9e353eaa66e70230c7d (patch) | |
| tree | b5ec8b2cd498621500d06595bec0f0e0dc9fa65c /drivers | |
| parent | gigaset: fix Oops on module unload regression (diff) | |
| download | linux-b348487f0dc06f09a4c0d9e353eaa66e70230c7d.tar.xz linux-b348487f0dc06f09a4c0d9e353eaa66e70230c7d.zip | |
ide-cd: mark REQ_TYPE_ATA_PC write requests with REQ_RW flag
On Thursday 06 March 2008, walt wrote:
> For me, this commit causes the problem it's intended to fix:
>
> commit 9f10d9ee0ac6d79d7bc8b9a158bf4a29322d84d3
> Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
> Date: Tue Feb 26 21:50:35 2008 +0100
>
> ide-cd: fix 'ireason' handling for REQ_TYPE_ATA_PC requests
>
> This fixes some hangs caused by not finishing the transfer before ending
> the request and also makes use of 'ireason == 1' quirk for spurious IRQs.
>
> When I mount a CD there is a long delay, and I see this error message:
>
> hdc: ide_cd_check_ireason: wrong transfer direction!
> cdrom: failed setting lba address space
> hdc: status error: status=0x58 { DriveReady SeekComplete DataRequest }
> ide: failed opcode was: unknown
> hdc: drive not ready for command
> <repeated many times>
>
> When I revert this commit everything works properly again, including
> CD burning.
It turned out that REQ_TYPE_ATA_PC write requests were not marked as such
(the previous commit assumed them to be).
Reported-by: walt <w41ter@gmail.com>
Tested-by: walt <w41ter@gmail.com>
Reviewed-by: Borislav Petkov <petkovbb@googlemail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/ide-cd_ioctl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c index b68284de4e85..6d147ce6782f 100644 --- a/drivers/ide/ide-cd_ioctl.c +++ b/drivers/ide/ide-cd_ioctl.c @@ -457,6 +457,10 @@ int ide_cdrom_packet(struct cdrom_device_info *cdi, layer. the packet must be complete, as we do not touch it at all. */ ide_cd_init_rq(drive, &req); + + if (cgc->data_direction == CGC_DATA_WRITE) + req.cmd_flags |= REQ_RW; + memcpy(req.cmd, cgc->cmd, CDROM_PACKET_SIZE); if (cgc->sense) memset(cgc->sense, 0, sizeof(struct request_sense)); |