dm integrity: update documentation

Update documentation with the "meta_device" parameter and flags.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/Documentation/device-mapper/dm-integrity.txt b/Documentation/device-mapper/dm-integrity.txt
index 297251b..7dc9180 100644 (file)
--- a/Documentation/device-mapper/dm-integrity.txt
+++ b/Documentation/device-mapper/dm-integrity.txt
@@ -79,6 +79,10 @@ interleave_sectors:number
        a power of two. If the device is already formatted, the value from
        the superblock is used.
 
+meta_device:device
+       Don't interleave the data and metadata on on device. Use a
+       separate device for metadata.
+
 buffer_sectors:number
        The number of sectors in one buffer. The value is rounded down to
        a power of two.
@@ -167,7 +171,11 @@ The layout of the formatted block device:
          provides (i.e. the size of the device minus the size of all
          metadata and padding). The user of this target should not send
          bios that access data beyond the "provided data sectors" limit.
-       * flags - a flag is set if journal_mac is used
+       * flags
+         SB_FLAG_HAVE_JOURNAL_MAC - a flag is set if journal_mac is used
+         SB_FLAG_RECALCULATING - recalculating is in progress
+       * log2(sectors per block)
+       * a position where recalculating finished
 * journal
        The journal is divided into sections, each section contains:
        * metadata area (4kiB), it contains journal entries

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 1ff0268..4c3bc16 100644 (file)
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -3081,10 +3081,12 @@ bad:
  *             buffer_sectors
  *             journal_watermark
  *             commit_time
+ *             meta_device
+ *             block_size
  *             internal_hash
  *             journal_crypt
  *             journal_mac
- *             block_size
+ *             recalculate
  */
 static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
 {