Re: [PATCH] libata and starting/stopping ATAPI floppy devices

2008-01-10 Thread Ondrej Zary
On Thursday 10 January 2008 02:05:23 Robert Hancock wrote:
 Tejun Heo wrote:
  From: Ondrej Zary [EMAIL PROTECTED]
 
  Prevent libata from starting/stopping non-ATA devices (like ATAPI floppy
  drives) as they don't seem to like it:
 
  sd 1:0:1:0: [sdb] Starting disk
  ata2.01: configured for PIO2
  sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
  sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
  sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0

 Well, all that error is saying is No medium present. We could just
 make sd suppress that error on disk starting/stopping..

Yes, provided that the start/stop command is valid for ATAPI drives and is the 
correct thing to do. I don't know.


  Signed-off-by: Ondrej Zary [EMAIL PROTECTED]
  Signed-off-by: Tejun Heo [EMAIL PROTECTED]
  ---
  Trimmed message body and reformatted such that it's script friendly.
 
   drivers/ata/libata-scsi.c |3 ++-
   1 file changed, 2 insertions(+), 1 deletion(-)
 
  --- linux-2.6.23-orig/drivers/ata/libata-scsi.c 2007-10-09
  22:31:38.0 +0200 +++
  linux-2.6.23-pentium/drivers/ata/libata-scsi.c  2008-01-05
  15:50:16.0 +0100 @@ -802,7 +802,8 @@
 
  blk_queue_max_phys_segments(sdev-request_queue, LIBATA_MAX_PRD);
 
  -   sdev-manage_start_stop = 1;
  +   if (dev-class == ATA_DEV_ATA)
  +   sdev-manage_start_stop = 1;
 
  if (dev)
  ata_scsi_dev_config(sdev, dev);



-- 
Ondrej Zary
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Re: [PATCH] libata and starting/stopping ATAPI floppy devices

2008-01-10 Thread Jeff Garzik

Tejun Heo wrote:

From: Ondrej Zary [EMAIL PROTECTED]

Prevent libata from starting/stopping non-ATA devices (like ATAPI floppy 
drives) as they don't seem to like it:


sd 1:0:1:0: [sdb] Starting disk
ata2.01: configured for PIO2
sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0

Signed-off-by: Ondrej Zary [EMAIL PROTECTED]
Signed-off-by: Tejun Heo [EMAIL PROTECTED]
---
Trimmed message body and reformatted such that it's script friendly.

 drivers/ata/libata-scsi.c |3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- linux-2.6.23-orig/drivers/ata/libata-scsi.c 2007-10-09 22:31:38.0 
+0200
+++ linux-2.6.23-pentium/drivers/ata/libata-scsi.c  2008-01-05 
15:50:16.0 +0100
@@ -802,7 +802,8 @@
 
 	blk_queue_max_phys_segments(sdev-request_queue, LIBATA_MAX_PRD);
 
-	sdev-manage_start_stop = 1;

+   if (dev-class == ATA_DEV_ATA)
+   sdev-manage_start_stop = 1;
 
 	if (dev)


applied #upstream-fixes manually.  not sure why git-am didn't like it, 
but patch(1) did.



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Re: [PATCH] libata and starting/stopping ATAPI floppy devices

2008-01-09 Thread Ondrej Zary
On Wednesday 09 January 2008 03:41:16 Tejun Heo wrote:
 Ondrej Zary wrote:
  Hello,
  I switched to libata drivers for my onboard PATA controller (PIIX4)
  recently. Everything works fine except that kernel tries to start not
  only my hard drive (sda) but also LS-120 floppy drive (sdb) which does
  not like it:
 
  sd 0:0:0:0: [sda] Starting disk
  ata1.00: configured for UDMA/33
  sd 0:0:0:0: [sda] 58633344 512-byte hardware sectors (30020 MB)
  sd 0:0:0:0: [sda] Write Protect is off
  sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
  support DPO or FUA
  sd 1:0:1:0: [sdb] Starting disk
  ata2.00: configured for UDMA/33
  ata2.01: configured for PIO2
  sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
  sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
  sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0
 
 
  The question is: is it correct? Or a patch like this should be applied?

 Yeah, looks good to me.  Please reformat the message w/ S-O-B.

 Acked-by: Tejun Heo [EMAIL PROTECTED]

Prevent libata from starting/stopping non-ATA devices (like ATAPI floppy 
drives) as they don't seem to like it:

sd 1:0:1:0: [sdb] Starting disk
ata2.01: configured for PIO2
sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0

Signed-off-by: Ondrej Zary [EMAIL PROTECTED]

--- linux-2.6.23-orig/drivers/ata/libata-scsi.c 2007-10-09 22:31:38.0 
+0200
+++ linux-2.6.23-pentium/drivers/ata/libata-scsi.c  2008-01-05 
15:50:16.0 +0100
@@ -802,7 +802,8 @@
 
blk_queue_max_phys_segments(sdev-request_queue, LIBATA_MAX_PRD);
 
-   sdev-manage_start_stop = 1;
+   if (dev-class == ATA_DEV_ATA)
+   sdev-manage_start_stop = 1;
 
if (dev)
ata_scsi_dev_config(sdev, dev);


-- 
Ondrej Zary
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Re: [PATCH] libata and starting/stopping ATAPI floppy devices

2008-01-09 Thread Robert Hancock

Tejun Heo wrote:

From: Ondrej Zary [EMAIL PROTECTED]

Prevent libata from starting/stopping non-ATA devices (like ATAPI floppy 
drives) as they don't seem to like it:


sd 1:0:1:0: [sdb] Starting disk
ata2.01: configured for PIO2
sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0


Well, all that error is saying is No medium present. We could just 
make sd suppress that error on disk starting/stopping..




Signed-off-by: Ondrej Zary [EMAIL PROTECTED]
Signed-off-by: Tejun Heo [EMAIL PROTECTED]
---
Trimmed message body and reformatted such that it's script friendly.

 drivers/ata/libata-scsi.c |3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- linux-2.6.23-orig/drivers/ata/libata-scsi.c 2007-10-09 22:31:38.0 
+0200
+++ linux-2.6.23-pentium/drivers/ata/libata-scsi.c  2008-01-05 
15:50:16.0 +0100
@@ -802,7 +802,8 @@
 
 	blk_queue_max_phys_segments(sdev-request_queue, LIBATA_MAX_PRD);
 
-	sdev-manage_start_stop = 1;

+   if (dev-class == ATA_DEV_ATA)
+   sdev-manage_start_stop = 1;
 
 	if (dev)

ata_scsi_dev_config(sdev, dev);



--
Robert Hancock  Saskatoon, SK, Canada
To email, remove nospam from [EMAIL PROTECTED]
Home Page: http://www.roberthancock.com/

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Re: [PATCH] libata and starting/stopping ATAPI floppy devices

2008-01-08 Thread Tejun Heo
Ondrej Zary wrote:
 Hello,
 I switched to libata drivers for my onboard PATA controller (PIIX4) recently. 
 Everything works fine except that kernel tries to start not only my hard 
 drive (sda) but also LS-120 floppy drive (sdb) which does not like it:
 
 sd 0:0:0:0: [sda] Starting disk
 ata1.00: configured for UDMA/33
 sd 0:0:0:0: [sda] 58633344 512-byte hardware sectors (30020 MB)
 sd 0:0:0:0: [sda] Write Protect is off
 sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support 
 DPO or FUA
 sd 1:0:1:0: [sdb] Starting disk
 ata2.00: configured for UDMA/33
 ata2.01: configured for PIO2
 sd 1:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
 sd 1:0:1:0: [sdb] Sense Key : 0x2 [current]
 sd 1:0:1:0: [sdb] ASC=0x3a ASCQ=0x0
 
 
 The question is: is it correct? Or a patch like this should be applied?

Yeah, looks good to me.  Please reformat the message w/ S-O-B.

Acked-by: Tejun Heo [EMAIL PROTECTED]

-- 
tejun
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