btrfs: simplify ->flush_bio handling

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Use and embedded bios that is initialized when used instead of
bio_kmalloc plus bio_reset.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David Sterba <dsterba@suse.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Link: https://lore.kernel.org/r/20220406061228.410163-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Christoph Hellwig 2022-04-06 08:12:24 +02:00 • committed by Jens Axboe

parent b53f3dcd70

commit f9e69aa9cc

3 changed files with 7 additions and 16 deletions

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8

fs/btrfs/disk-io.c

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11

fs/btrfs/volumes.c

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4

fs/btrfs/volumes.h

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