diff options
| author | Christof Schmitt <christof.schmitt@de.ibm.com> | 2010-04-30 20:09:33 +0400 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-05-02 23:42:29 +0400 |
| commit | 683229845f1780b10041ee7a1043fc8f10061455 (patch) | |
| tree | 88f58f214666762a71d1458a72646dd65372a1a6 /drivers/s390/scsi/zfcp_scsi.c | |
| parent | 883c98feaab708d0fc976225b146aa9307023c85 (diff) | |
| download | linux-683229845f1780b10041ee7a1043fc8f10061455.tar.xz | |
[SCSI] zfcp: Report scatter-gather limits to SCSI and block layer
Instead of dealing with large segments in the scatter-gather lists in
zfcp_qdio.c, report the limits to the upper layers. With these limits
in place, the code for mapping large data blocks to multiple sbales
can be removed.
Reviewed-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index d13eb9a6408a..066b0507a639 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -682,6 +682,7 @@ struct zfcp_data zfcp_data = { .use_clustering = 1, .sdev_attrs = zfcp_sysfs_sdev_attrs, .max_sectors = (ZFCP_MAX_SBALES_PER_REQ * 8), + .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1, .shost_attrs = zfcp_sysfs_shost_attrs, }, }; |