* [patch 2.6.12-rc4 1/1] libata: stop setting sdev->host->max_sectors for lba48 drives
@ 2005-05-12 19:49 John W. Linville
2005-05-15 22:02 ` Jeff Garzik
0 siblings, 1 reply; 2+ messages in thread
From: John W. Linville @ 2005-05-12 19:49 UTC (permalink / raw)
To: jgarzik; +Cc: linux-ide, stuart_hayes
Avoid changing sdev->host->max_sectors because it can prevent use of
non-lba48 drives on other ports of the same adapter.
Signed-off-by: Stuart Hayes <stuart_hayes@Dell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
drivers/scsi/libata-scsi.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletion(-)
--- linux-2.6.12-rc4/drivers/scsi/libata-scsi.c.orig 2005-05-12 15:13:51.414435435 -0400
+++ linux-2.6.12-rc4/drivers/scsi/libata-scsi.c 2005-05-12 15:22:55.813648107 -0400
@@ -347,7 +347,10 @@ int ata_scsi_slave_config(struct scsi_de
*/
if ((dev->flags & ATA_DFLAG_LBA48) &&
((dev->flags & ATA_DFLAG_LOCK_SECTORS) == 0)) {
- sdev->host->max_sectors = 2048;
+ /*
+ * do not overwrite sdev->host->max_sectors, since
+ * other drives on this host may not support LBA48
+ */
blk_queue_max_sectors(sdev->request_queue, 2048);
}
}
--
John W. Linville
linville@tuxdriver.com
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2005-05-12 19:49 [patch 2.6.12-rc4 1/1] libata: stop setting sdev->host->max_sectors for lba48 drives John W. Linville
2005-05-15 22:02 ` Jeff Garzik
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