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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-31 20:43:12 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-31 20:43:12 -0400 |
commit | ce9d8d9f7214c7b74a5dd7be8221545269a31155 (patch) | |
tree | f6d529ea1d0b1c801af4a938b30de94b00ef9ca3 /drivers/scsi/sd.c | |
parent | 82279e6bd7643da1b3fbda42555c3238c7b00d38 (diff) | |
parent | 592488a32b87daf27b92d2c1c5cdc440d1a1beae (diff) | |
download | op-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.c | 23 |
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, |