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btrfs-progs: docs: document checksum options for mkfs and convert

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Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-11-05 20:31:04 +01:00
parent b9000ce339
commit c1a1aa9e33
2 changed files with 11 additions and 0 deletions
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5
Documentation/btrfs-convert.asciidoc
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@ -83,6 +83,11 @@ Note that balance operation takes a lot of time, please see also
OPTIONS
-------
--csum <type>::
--checksum <type>::
Specify the checksum algorithm. Default is 'crc32c'. Valid values are 'crc32c',
'xxhash', 'sha256' or 'blake2'. To mount such filesystem kernel must support the
checksums as well.
-d|--no-datasum::
disable data checksum calculations and set the NODATASUM file flag, this can speed
up the conversion

6
Documentation/mkfs.btrfs.asciidoc
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@ -25,6 +25,12 @@ OPTIONS
Specify the size of the filesystem. If this option is not used, then
mkfs.btrfs uses the entire device space for the filesystem.
*--csum <type>*::
*--checksum <type>*::
Specify the checksum algorithm. Default is 'crc32c'. Valid values are 'crc32c',
'xxhash', 'sha256' or 'blake2'. To mount such filesystem kernel must support the
checksums as well.
*-d|--data <profile>*::
Specify the profile for the data block groups. Valid values are 'raid0',
'raid1', 'raid5', 'raid6', 'raid10' or 'single' or 'dup' (case does not matter).