summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/sd_dif.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-10-11 11:12:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-10-11 11:12:33 -0700
commit69585dd69e663a40729492c7b52eb82477a2027a (patch)
tree5c179ca88b70856a7f9b56e10151ffa5480f0284 /drivers/scsi/sd_dif.c
parentbd381934bf13ccb1af2813ae26c6fe00ec85d254 (diff)
parentc7922a911c42c5a8bdee6cc75eb6bd66937d4217 (diff)
downloadblackbird-obmc-linux-69585dd69e663a40729492c7b52eb82477a2027a.tar.gz
blackbird-obmc-linux-69585dd69e663a40729492c7b52eb82477a2027a.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (34 commits) [SCSI] qla2xxx: Fix NULL ptr deref bug in fail path during queue create [SCSI] st: fix possible memory use after free after MTSETBLK ioctl [SCSI] be2iscsi: Moving to pci_pools v3 [SCSI] libiscsi: iscsi_session_setup to allow for private space [SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver [SCSI] zfcp: Fix hang when offlining device with offline chpid [SCSI] zfcp: Fix lockdep warning when offlining device with offline chpid [SCSI] zfcp: Fix oops during shutdown of offline device [SCSI] zfcp: Fix initial device and cfdc for delayed adapter allocation [SCSI] zfcp: correctly initialize unchained requests [SCSI] mpt2sas: Bump version 02.100.03.00 [SCSI] mpt2sas: Support dev remove when phy status is MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT [SCSI] mpt2sas: Timeout occurred within the HANDSHAKE logic while waiting on firmware to ACK. [SCSI] mpt2sas: Call init_completion on a per request basis. [SCSI] mpt2sas: Target Reset will be issued from Interrupt context. [SCSI] mpt2sas: Added SCSIIO, Internal and high priority memory pools to support multiple TM [SCSI] mpt2sas: Copyright change to 2009. [SCSI] mpt2sas: Added mpi2_history.txt for MPI2 headers. [SCSI] mpt2sas: Update driver to MPI2 REV K headers. [SCSI] bfa: Brocade BFA FC SCSI driver ...
Diffstat (limited to 'drivers/scsi/sd_dif.c')
-rw-r--r--drivers/scsi/sd_dif.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c
index 82f14a9482d0..88da97745710 100644
--- a/drivers/scsi/sd_dif.c
+++ b/drivers/scsi/sd_dif.c
@@ -320,15 +320,6 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
dif = 0; dix = 1;
}
- if (type) {
- if (dif)
- sd_printk(KERN_NOTICE, sdkp,
- "Enabling DIF Type %d protection\n", type);
- else
- sd_printk(KERN_NOTICE, sdkp,
- "Disabling DIF Type %d protection\n", type);
- }
-
if (!dix)
return;
@@ -360,62 +351,6 @@ void sd_dif_config_host(struct scsi_disk *sdkp)
}
/*
- * DIF DMA operation magic decoder ring.
- */
-void sd_dif_op(struct scsi_cmnd *scmd, unsigned int dif, unsigned int dix, unsigned int type)
-{
- int csum_convert, prot_op;
-
- prot_op = 0;
-
- /* Convert checksum? */
- if (scsi_host_get_guard(scmd->device->host) != SHOST_DIX_GUARD_CRC)
- csum_convert = 1;
- else
- csum_convert = 0;
-
- BUG_ON(dif && (scmd->cmnd[0] == READ_6 || scmd->cmnd[0] == WRITE_6));
-
- switch (scmd->cmnd[0]) {
- case READ_6:
- case READ_10:
- case READ_12:
- case READ_16:
- if (dif && dix)
- if (csum_convert)
- prot_op = SCSI_PROT_READ_CONVERT;
- else
- prot_op = SCSI_PROT_READ_PASS;
- else if (dif && !dix)
- prot_op = SCSI_PROT_READ_STRIP;
- else if (!dif && dix)
- prot_op = SCSI_PROT_READ_INSERT;
-
- break;
-
- case WRITE_6:
- case WRITE_10:
- case WRITE_12:
- case WRITE_16:
- if (dif && dix)
- if (csum_convert)
- prot_op = SCSI_PROT_WRITE_CONVERT;
- else
- prot_op = SCSI_PROT_WRITE_PASS;
- else if (dif && !dix)
- prot_op = SCSI_PROT_WRITE_INSERT;
- else if (!dif && dix)
- prot_op = SCSI_PROT_WRITE_STRIP;
-
- break;
- }
-
- scsi_set_prot_op(scmd, prot_op);
- if (dif)
- scsi_set_prot_type(scmd, type);
-}
-
-/*
* The virtual start sector is the one that was originally submitted
* by the block layer. Due to partitioning, MD/DM cloning, etc. the
* actual physical start sector is likely to be different. Remap
OpenPOWER on IntegriCloud