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Diffstat (limited to 'Documentation/device-mapper/dm-integrity.txt')
| -rw-r--r-- | Documentation/device-mapper/dm-integrity.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/device-mapper/dm-integrity.txt b/Documentation/device-mapper/dm-integrity.txt index ced34cd915ef..f33e3ade7a09 100644 --- a/Documentation/device-mapper/dm-integrity.txt +++ b/Documentation/device-mapper/dm-integrity.txt @@ -136,6 +136,11 @@ journal_mac:algorithm(:key) (the key is optional) the journal. Thus, modified sector number would be detected at this stage. +block_size:number + The size of a data block in bytes. The larger the block size the + less overhead there is for per-block integrity metadata. + Supported values are 512, 1024, 2048 and 4096 bytes. If not + specified the default block size is 512 bytes. The journal mode (D/J), buffer_sectors, journal_watermark, commit_time can be changed when reloading the target (load an inactive table and swap the |