Commit 1bfff2f8 authored Mar 14, 2012 by Brian King Committed by James Bottomley Mar 28, 2012

[SCSI] ipr: Increase alignment boundary of command blocks



The latest generation of ipr hardware performs best when command blocks
are aligned to a boundary equal to the size of the command block. Ensure
512 byte alignment, since this is the largest size command block we
can send.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

parent 89aad428

drivers/scsi/ipr.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -8360,7 +8360,7 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg)
	int i;		int i;

	ioa_cfg->ipr_cmd_pool = pci_pool_create (IPR_NAME, ioa_cfg->pdev,		ioa_cfg->ipr_cmd_pool = pci_pool_create (IPR_NAME, ioa_cfg->pdev,
	sizeof(struct ipr_cmnd), 16, 0);		sizeof(struct ipr_cmnd), 512, 0);

	if (!ioa_cfg->ipr_cmd_pool)		if (!ioa_cfg->ipr_cmd_pool)
	return -ENOMEM;		return -ENOMEM;