btrfs: introduce alloc_chunk_ctl

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Introduce "struct alloc_chunk_ctl" to wrap needed parameters for the
chunk allocation.  This will be used to split __btrfs_alloc_chunk() into
smaller functions.

This commit folds a number of local variables in __btrfs_alloc_chunk()
into one "struct alloc_chunk_ctl ctl". There is no functional change.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Naohiro Aota 2020-02-25 12:56:10 +09:00 • committed by David Sterba

parent 3b4ffa4088

commit 4f2bafe8a4

1 changed files with 93 additions and 65 deletions

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158

fs/btrfs/volumes.c

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