Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=29982e9acd3e81a289c73321401427d02eaa8adc
Commit: 29982e9acd3e81a289c73321401427d02eaa8adc
Parent: 5ecd3100e695228ac5e0ce0e325e252c0f11806f
Author: Doug Chapman <[EMAIL PROTECTED]>
AuthorDate: Mon May 7 15:59:46 2007 -0400
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Tue Jun 5 11:04:56 2007 -0500
[SCSI] fusion: fix for BZ 8426 - massive slowdown on SCSI CD/DVD drive
Patch for: http://bugzilla.kernel.org/show_bug.cgi?id=8426
A recent code cleanup that moved code from mptscsih to mptspi
inadvertently change the order some code was called. This caused
a massive slowdown (of 150x to 300x) on the CD/DVD drive on the
high-end HP Integrity servers.
Signed-off-by: Doug Chapman <[EMAIL PROTECTED]>
Acked-by: Eric Moore <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/message/fusion/mptspi.c | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index d75f7ff..37bf653 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -727,13 +727,15 @@ static int mptspi_slave_configure(struct scsi_device
*sdev)
struct _MPT_SCSI_HOST *hd =
(struct _MPT_SCSI_HOST *)sdev->host->hostdata;
VirtTarget *vtarget = scsi_target(sdev)->hostdata;
- int ret = mptscsih_slave_configure(sdev);
+ int ret;
+
+ mptspi_initTarget(hd, vtarget, sdev);
+
+ ret = mptscsih_slave_configure(sdev);
if (ret)
return ret;
- mptspi_initTarget(hd, vtarget, sdev);
-
ddvprintk((MYIOC_s_INFO_FMT "id=%d min_period=0x%02x"
" max_offset=0x%02x max_width=%d\n", hd->ioc->name,
sdev->id, spi_min_period(scsi_target(sdev)),
-
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