From: "John W. Linville" <linville@tuxdriver.com>
To: jgarzik@pobox.com
Cc: linux-ide@vger.kernel.org, stuart_hayes@Dell.com
Subject: [patch 2.6.12-rc4 1/1] libata: stop setting sdev->host->max_sectors for lba48 drives
Date: Thu, 12 May 2005 15:49:54 -0400 [thread overview]
Message-ID: <20050512194953.GA8587@tuxdriver.com> (raw)
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
next reply other threads:[~2005-05-12 19:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-12 19:49 John W. Linville [this message]
2005-05-15 22:02 ` [patch 2.6.12-rc4 1/1] libata: stop setting sdev->host->max_sectors for lba48 drives Jeff Garzik
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