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btrfs-progs: docs: clarify potential problems with convert

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Add a note summarizing the problems.

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Issue: #257
Signed-off-by: David Sterba <dsterba@suse.com>
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David Sterba 2024-02-20 10:51:44 +01:00
parent 93cdc1c2fc
commit f5db48e053
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7
Documentation/ch-convert-intro.rst
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@ -33,6 +33,13 @@ have a supported data block size (i.e. the same that would be valid for
:command:`mkfs.btrfs`). This is typically the system page size (4KiB on x86_64
machines).
.. note::
Always consider if a mkfs and file copy would not be a better option than
the in-place conversion given what was said above. The conversion depends on
3rd party libraries and the other filesystems could still evolve and add new
features. Not all combinations are covered or tested.
**BEFORE YOU START**
The source filesystem must be clean, e.g. no journal to replay or no repairs