Update documentation with the "meta_device" parameter and flags.
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
---
Documentation/device-mapper/dm-integrity.txt | 10 +++++++++-
drivers/md/dm-integrity.c | 4 +++-
2 files changed, 12 insertions(+), 2 deletions(-)
Index: linux-2.6/Documentation/device-mapper/dm-integrity.txt
===================================================================
--- linux-2.6.orig/Documentation/device-mapper/dm-integrity.txt 2019-04-26 16:29:56.000000000 +0200
+++ linux-2.6/Documentation/device-mapper/dm-integrity.txt 2019-04-26 17:12:29.000000000 +0200
@@ -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
Index: linux-2.6/drivers/md/dm-integrity.c
===================================================================
--- linux-2.6.orig/drivers/md/dm-integrity.c 2019-04-26 16:29:03.000000000 +0200
+++ linux-2.6/drivers/md/dm-integrity.c 2019-04-26 17:13:19.000000000 +0200
@@ -3093,10 +3093,12 @@ 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)
{
--
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