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authorMark Haverkamp <markh@osdl.org>2005-08-01 21:11:37 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-08-01 21:37:59 -0700
commit43f2f3d343f9d00a94a9242547a59d9dfb2338c4 (patch)
treee3a4b278a060bb26a8edfc1bb7e239c01b90d829 /drivers/scsi/aacraid/linit.c
parent2757a71c3122c7653e3dd8077ad6ca71efb1d450 (diff)
[PATCH] aacraid: Fix for controller load based timeouts
Martin Drab found that he could get aacraid timeouts with high load on his controller / disk drive combinations. After some experimentation Mark Salyzyn has come up with a patch to reduce the default max_sectors to something that will keep the controller from being overloaded and will eliminate the timeout issues. Signed-off-by: Mark Haverkamp <markh@osdl.org> Cc: James Bottomley <James.Bottomley@steeleye.com> Acked-by: Mark Salyzyn <mark_salyzyn@adaptec.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/scsi/aacraid/linit.c')
-rw-r--r--drivers/scsi/aacraid/linit.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index c1a4f978fcb..562da90480a 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -374,7 +374,8 @@ static int aac_slave_configure(struct scsi_device *sdev)
else
scsi_adjust_queue_depth(sdev, 0, 1);
- if (host->max_sectors < AAC_MAX_32BIT_SGBCOUNT)
+ if (!(((struct aac_dev *)host->hostdata)->adapter_info.options
+ & AAC_OPT_NEW_COMM))
blk_queue_max_segment_size(sdev->request_queue, 65536);
return 0;