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authorMartin K. Petersen <martin.petersen@oracle.com>2015-10-21 20:19:43 +0300
committerJens Axboe <axboe@fb.com>2015-10-21 23:42:41 +0300
commit4c241d08dbfcbdc7a949b91d72707a289d464954 (patch)
tree8663290b5214c39c0225e871f1791342d95b2c8b /Documentation/ABI
parenta48f041d91bf1aee599fa2adb53b780ed20c2ee5 (diff)
downloadlinux-4c241d08dbfcbdc7a949b91d72707a289d464954.tar.xz
block: Export integrity data interval size in sysfs
The size of the data interval was not exported in the sysfs integrity directory. Export it so that userland apps can tell whether the interval is different from the device's logical block size. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-block7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block
index 8df003963d99..71d184dbb70d 100644
--- a/Documentation/ABI/testing/sysfs-block
+++ b/Documentation/ABI/testing/sysfs-block
@@ -60,6 +60,13 @@ Description:
Indicates whether a storage device is capable of storing
integrity metadata. Set if the device is T10 PI-capable.
+What: /sys/block/<disk>/integrity/protection_interval_bytes
+Date: July 2015
+Contact: Martin K. Petersen <martin.petersen@oracle.com>
+Description:
+ Describes the number of data bytes which are protected
+ by one integrity tuple. Typically the device's logical
+ block size.
What: /sys/block/<disk>/integrity/write_generate
Date: June 2008