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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-31 20:43:12 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-31 20:43:12 -0400
commitce9d8d9f7214c7b74a5dd7be8221545269a31155 (patch)
treef6d529ea1d0b1c801af4a938b30de94b00ef9ca3 /drivers/scsi/sd.c
parent82279e6bd7643da1b3fbda42555c3238c7b00d38 (diff)
parent592488a32b87daf27b92d2c1c5cdc440d1a1beae (diff)
downloadop-kernel-dev-ce9d8d9f7214c7b74a5dd7be8221545269a31155.zip
op-kernel-dev-ce9d8d9f7214c7b74a5dd7be8221545269a31155.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (70 commits) [SCSI] pmcraid: add support for set timestamp command and other fixes [SCSI] pmcraid: remove duplicate struct member [SCSI] qla4xxx: Fix cmd check in qla4xxx_cmd_wait [SCSI] megaraid_sas: Version and documentation update [SCSI] megaraid_sas: Add three times Online controller reset [SCSI] megaraid_sas: Add input parameter for max_sectors [SCSI] megaraid_sas: support devices update flag [SCSI] libosd: write/read_sg_kern API [SCSI] libosd: Support for scatter gather write/read commands [SCSI] libosd: Free resources in reverse order of allocation [SCSI] libosd: Fix bug in attr_page handling [SCSI] lpfc 8.3.18: Update lpfc driver version to 8.3.18 [SCSI] lpfc 8.3.18: Add new WQE support [SCSI] lpfc 8.3.18: Fix critical errors [SCSI] lpfc 8.3.18: Adapter Shutdown and Unregistration cleanup [SCSI] lpfc 8.3.18: Add logic to detect last devloss timeout [SCSI] lpfc 8.3.18: Add support of received ELS commands [SCSI] lpfc 8.3.18: FC/FCoE Discovery fixes [SCSI] ipr: add definitions for a new adapter [SCSI] bfa: fix comments for c files ...
Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r--drivers/scsi/sd.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 57d1e3e..b9ab3a5 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -259,6 +259,28 @@ sd_show_protection_type(struct device *dev, struct device_attribute *attr,
}
static ssize_t
+sd_show_protection_mode(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_disk *sdkp = to_scsi_disk(dev);
+ struct scsi_device *sdp = sdkp->device;
+ unsigned int dif, dix;
+
+ dif = scsi_host_dif_capable(sdp->host, sdkp->protection_type);
+ dix = scsi_host_dix_capable(sdp->host, sdkp->protection_type);
+
+ if (!dix && scsi_host_dix_capable(sdp->host, SD_DIF_TYPE0_PROTECTION)) {
+ dif = 0;
+ dix = 1;
+ }
+
+ if (!dif && !dix)
+ return snprintf(buf, 20, "none\n");
+
+ return snprintf(buf, 20, "%s%u\n", dix ? "dix" : "dif", dif);
+}
+
+static ssize_t
sd_show_app_tag_own(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -285,6 +307,7 @@ static struct device_attribute sd_disk_attrs[] = {
__ATTR(manage_start_stop, S_IRUGO|S_IWUSR, sd_show_manage_start_stop,
sd_store_manage_start_stop),
__ATTR(protection_type, S_IRUGO, sd_show_protection_type, NULL),
+ __ATTR(protection_mode, S_IRUGO, sd_show_protection_mode, NULL),
__ATTR(app_tag_own, S_IRUGO, sd_show_app_tag_own, NULL),
__ATTR(thin_provisioning, S_IRUGO, sd_show_thin_provisioning, NULL),
__ATTR_NULL,
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