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btrfs-progs: docs: update limits for minimal device size 

Add limits:

  # mkfs.btrfs loop.img
  btrfs-progs v5.7
  See http://btrfs.wiki.kernel.org for more information.

  ERROR: 'loop.img' is too small to make a usable filesystem
  ERROR: minimum size for each btrfs device is 114294784

  # mkfs.btrfs --mixed loop.img
  btrfs-progs v5.7
  See http://btrfs.wiki.kernel.org for more information.

  ERROR: 'loop.img' is too small to make a usable filesystem
  ERROR: minimum size for each btrfs device is 16777216

Pull-request: #287
Author: Forza-tng <Forza-tng@users.noreply.github.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Forza-tng 2020-10-02 17:52:01 +02:00 committed by David Sterba
parent f1b428ea3b
commit fbe95d714f
1 changed files with 4 additions and 0 deletions
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Documentation/btrfs-man5.asciidoc
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@ -769,6 +769,10 @@ maximum number of hardlinks of a file in a directory::
65536 when the `extref` feature is turned on during mkfs (default), roughly
100 otherwise
minimum filesystem size::
the minimal size of each device depends on the 'mixed-bg' feature, without that
(the default) it's about 109MiB, with mixed-bg it's is 16MiB
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