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authorLinus Torvalds <torvalds@g5.osdl.org>2006-10-25 20:22:55 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-25 20:22:55 -0700
commit71fa0a849b384f066dea6a2351c722c19846f4ac (patch)
treec6f9ac28003432ba79d0ea5eefd34ad412fb50ef /drivers/s390
parent9d81a782d55bdeec3bfa3106e514bf46ac12e172 (diff)
parentd6b9ccbbeb625674891f797119f06512d27fc905 (diff)
downloadlinux-71fa0a849b384f066dea6a2351c722c19846f4ac.tar.gz
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (40 commits)
  [SCSI] aic79xx: Print out signalling
  [SCSI] aic7xxx: Remove slave_destroy
  [SCSI] aic79xx: set precompensation
  [SCSI] aic79xx: Fixup external device reset
  [SCSI] replace u8 and u32 with __u8 and __u32 in scsi.h for user space
  [SCSI] lpfc: fix printk format warning
  [SCSI] aic79xx: make ahd_set_tags() static
  [SCSI] aic7xxx: cleanups
  [SCSI] drivers/scsi: Handcrafted MIN/MAX macro removal
  [SCSI] scsi_debug: support REPORT TARGET PORT GROUPS
  [SCSI] qla1280 bus reset typo
  [SCSI] libiscsi: fix logout pdu processing
  [SCSI] libiscsi: fix aen support
  [SCSI] libiscsi: fix missed iscsi_task_put in xmit error path
  [SCSI] libiscsi: fix oops in connection create failure path
  [SCSI] iscsi class: fix slab corruption during restart
  [SCSI] Switch fdomain to the pci_get API
  [SCSI] add can_queue to host parameters
  [SCSI] megaraid_{mm,mbox}: 64-bit DMA capability fix
  [SCSI] aic94xx: Supermicro motherboards support
  ...
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/scsi/zfcp_def.h4
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c1
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 8f882690994d..74c0eac083e4 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 4d2bc7981324..452d96f92a14 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,
 };