Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d1d81c01f4bdd50577d9f89aa4a8e6344f63aa70 Commit: d1d81c01f4bdd50577d9f89aa4a8e6344f63aa70 Parent: dbdb016d92603619d972082167c10b8c74e605cc Author: Mike Christie <[EMAIL PROTECTED]> AuthorDate: Wed May 30 12:57:21 2007 -0500 Committer: James Bottomley <[EMAIL PROTECTED]> CommitDate: Sat Jun 2 15:35:36 2007 -0400
[SCSI] iscsi_tcp: remove DMA alignment restriction Add a slave_configure function to iSCSI TCP to remove any DMA alignment restriction. This permits the use of direct IO from arbitrary addresses. Signed-off-by: Pete Wyckoff <[EMAIL PROTECTED]> Signed-off-by: Mike Christie <[EMAIL PROTECTED]> Signed-off-by: James Bottomley <[EMAIL PROTECTED]> --- drivers/scsi/iscsi_tcp.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 6eaa2e3..4e9f0d9 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -36,6 +36,7 @@ #include <linux/scatterlist.h> #include <net/tcp.h> #include <scsi/scsi_cmnd.h> +#include <scsi/scsi_device.h> #include <scsi/scsi_host.h> #include <scsi/scsi.h> #include <scsi/scsi_transport_iscsi.h> @@ -2184,6 +2185,12 @@ static void iscsi_tcp_session_destroy(struct iscsi_cls_session *cls_session) iscsi_session_teardown(cls_session); } +static int iscsi_tcp_slave_configure(struct scsi_device *sdev) +{ + blk_queue_dma_alignment(sdev->request_queue, 0); + return 0; +} + static struct scsi_host_template iscsi_sht = { .name = "iSCSI Initiator over TCP/IP", .queuecommand = iscsi_queuecommand, @@ -2195,6 +2202,7 @@ static struct scsi_host_template iscsi_sht = { .eh_abort_handler = iscsi_eh_abort, .eh_host_reset_handler = iscsi_eh_host_reset, .use_clustering = DISABLE_CLUSTERING, + .slave_configure = iscsi_tcp_slave_configure, .proc_name = "iscsi_tcp", .this_id = -1, }; - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html