btrfs: always pass readahead state to defrag

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Defrag ioctl passes readahead from the file, but autodefrag does not
have a file so the readahead state is allocated when needed.

The autodefrag loop in cleaner thread iterates over inodes so we can
simply provide an on-stack readahead state and will not need to allocate
it in btrfs_defrag_file(). The size is 32 bytes which is acceptable.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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This commit is contained in:

David Sterba 2024-08-27 04:26:51 +02:00

parent 11e3107d47

commit df2825e985

1 changed files with 11 additions and 21 deletions

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32

fs/btrfs/defrag.c

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