From 8d1a006049ff1c084d57fbea1106ecad3455bd27 Mon Sep 17 00:00:00 2001 From: Swen Schillig Date: Thu, 12 Oct 2006 11:43:44 +0200 Subject: [PATCH] [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: Swen Schillig Signed-off-by: James Bottomley --- drivers/s390/scsi/zfcp_def.h | 4 ++++ drivers/s390/scsi/zfcp_scsi.c | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 8f88269..74c0eac 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -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)) diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c index 4d2bc79..452d96f 100644 --- a/drivers/s390/scsi/zfcp_scsi.c +++ b/drivers/s390/scsi/zfcp_scsi.c @@ -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, }; -- 2.7.4