From c1c72b59941e2f5aad4b02609d7ee7b121734b8d Mon Sep 17 00:00:00 2001 From: "Martin K. Petersen" Date: Tue, 17 Jun 2008 18:59:57 +0200 Subject: block: Data integrity infrastructure documentation Signed-off-by: Martin K. Petersen Signed-off-by: Jens Axboe --- Documentation/ABI/testing/sysfs-block | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) (limited to 'Documentation/ABI/testing') diff --git a/Documentation/ABI/testing/sysfs-block b/Documentation/ABI/testing/sysfs-block index 4bd9ea53912..44f52a4f590 100644 --- a/Documentation/ABI/testing/sysfs-block +++ b/Documentation/ABI/testing/sysfs-block @@ -26,3 +26,37 @@ Description: I/O statistics of partition . The format is the same as the above-written /sys/block//stat format. + + +What: /sys/block//integrity/format +Date: June 2008 +Contact: Martin K. Petersen +Description: + Metadata format for integrity capable block device. + E.g. T10-DIF-TYPE1-CRC. + + +What: /sys/block//integrity/read_verify +Date: June 2008 +Contact: Martin K. Petersen +Description: + Indicates whether the block layer should verify the + integrity of read requests serviced by devices that + support sending integrity metadata. + + +What: /sys/block//integrity/tag_size +Date: June 2008 +Contact: Martin K. Petersen +Description: + Number of bytes of integrity tag space available per + 512 bytes of data. + + +What: /sys/block//integrity/write_generate +Date: June 2008 +Contact: Martin K. Petersen +Description: + Indicates whether the block layer should automatically + generate checksums for write requests bound for + devices that support receiving integrity metadata. -- cgit v1.2.3