btrfs: allocate dio_data on stack

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Make use of the new iomap_iter->private field to avoid a memory
allocation per iomap range.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Christoph Hellwig 2022-05-05 15:11:12 -05:00 • committed by David Sterba

parent 786f847f43

commit 491a6d0118

1 changed files with 11 additions and 23 deletions

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fs/btrfs/inode.c

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