diff options
Diffstat (limited to 'Documentation/device-mapper/dm-integrity.txt')
| -rw-r--r-- | Documentation/device-mapper/dm-integrity.txt | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/Documentation/device-mapper/dm-integrity.txt b/Documentation/device-mapper/dm-integrity.txt index 9d9089f74206..ced34cd915ef 100644 --- a/Documentation/device-mapper/dm-integrity.txt +++ b/Documentation/device-mapper/dm-integrity.txt @@ -69,17 +69,17 @@ Target arguments: Additional arguments: -journal-sectors:number +journal_sectors:number The size of journal, this argument is used only if formatting the device. If the device is already formatted, the value from the superblock is used. -interleave-sectors:number +interleave_sectors:number The number of interleaved sectors. This values is rounded down to a power of two. If the device is already formatted, the value from the superblock is used. -buffer-sectors:number +buffer_sectors:number The number of sectors in one buffer. The value is rounded down to a power of two. @@ -87,17 +87,17 @@ buffer-sectors:number configurable. The large buffer size means that the I/O size will be larger, but there could be less I/Os issued. -journal-watermark:number +journal_watermark:number The journal watermark in percents. When the size of the journal exceeds this watermark, the thread that flushes the journal will be started. -commit-time:number +commit_time:number Commit time in milliseconds. When this time passes, the journal is written. The journal is also written immediatelly if the FLUSH request is received. -internal-hash:algorithm(:key) (the key is optional) +internal_hash:algorithm(:key) (the key is optional) Use internal hash or crc. When this argument is used, the dm-integrity target won't accept integrity tags from the upper target, but it will automatically @@ -113,7 +113,7 @@ internal-hash:algorithm(:key) (the key is optional) from an upper layer target, such as dm-crypt. The upper layer target should check the validity of the integrity tags. -journal-crypt:algorithm(:key) (the key is optional) +journal_crypt:algorithm(:key) (the key is optional) Encrypt the journal using given algorithm to make sure that the attacker can't read the journal. You can use a block cipher here (such as "cbc(aes)") or a stream cipher (for example "chacha20", @@ -125,7 +125,7 @@ journal-crypt:algorithm(:key) (the key is optional) the size of files that were written. To protect against this situation, you can encrypt the journal. -journal-mac:algorithm(:key) (the key is optional) +journal_mac:algorithm(:key) (the key is optional) Protect sector numbers in the journal from accidental or malicious modification. To protect against accidental modification, use a crc algorithm, to protect against malicious modification, use a @@ -137,7 +137,7 @@ journal-mac:algorithm(:key) (the key is optional) this stage. -The journal mode (D/J), buffer-sectors, journal-watermark, commit-time can +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 tables with suspend and resume). The other arguments should not be changed when reloading the target because the layout of disk data depend on them @@ -158,7 +158,7 @@ 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 - a flag is set if journal_mac is used * journal The journal is divided into sections, each section contains: * metadata area (4kiB), it contains journal entries |