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| author | Swen Schillig <swen@vnet.ibm.com> | 2006-10-12 11:43:44 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-10-25 15:12:50 -0700 |
| commit | 8d1a006049ff1c084d57fbea1106ecad3455bd27 (patch) | |
| tree | b52ce59bf499115777b7d688174e3399cd2c7065 | |
| parent | 9531c330f14c02d9f4eff7345071f485dc62dab1 (diff) | |
| download | blackbird-op-linux-8d1a006049ff1c084d57fbea1106ecad3455bd27.tar.gz blackbird-op-linux-8d1a006049ff1c084d57fbea1106ecad3455bd27.zip | |
[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 <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 4 | ||||
| -rw-r--r-- | drivers/s390/scsi/zfcp_scsi.c | 1 |
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, }; |
