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Commit 8d1a0060 authored by Swen Schillig's avatar Swen Schillig Committed by James Bottomley
Browse files

[SCSI] zfcp: initialize scsi_host_template.max_sectors with appropriate value 



Define ZFCP_MAX_SECTORS and initialize scsi_host_template.max_sectors
with appropriate value.

Signed-off-by: default avatarSwen Schillig <swen@vnet.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent 9531c330

drivers/s390/scsi/zfcp_def.h

+4 −0
Original line number Diff line number Diff line
@@ -107,6 +107,10 @@ zfcp_address_to_sg(void *address, struct scatterlist *list) 
	(ZFCP_MAX_SBALS_PER_REQ * ZFCP_MAX_SBALES_PER_SBAL - 2)

        /* request ID + QTCB in SBALE 0 + 1 of first SBAL in chain */



#define ZFCP_MAX_SECTORS (ZFCP_MAX_SBALES_PER_REQ * 8)

        /* max. number of (data buffer) SBALEs in largest SBAL chain

           multiplied with number of sectors per 4k block */



/* FIXME(tune): free space should be one max. SBAL chain plus what? */

#define ZFCP_QDIO_PCI_INTERVAL		(QDIO_MAX_BUFFERS_PER_Q \

                                         - (ZFCP_MAX_SBALS_PER_REQ + 4))

drivers/s390/scsi/zfcp_scsi.c

+1 −0
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@ struct zfcp_data zfcp_data = { 
		.cmd_per_lun		= 1,

		.use_clustering		= 1,

		.sdev_attrs		= zfcp_sysfs_sdev_attrs,

		.max_sectors		= ZFCP_MAX_SECTORS,

	},

	.driver_version = ZFCP_VERSION,

};