btrfs: scrub: remove the old writeback infrastructure

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Since the whole scrub path has been switched to scrub_stripe based
solution, the old writeback path can be removed completely, which
involves:

- scrub_ctx::wr_curr_bio member
- scrub_ctx::flush_all_writes member
- function scrub_write_block_to_dev_replace()
- function scrub_write_sector_to_dev_replace()
- function scrub_add_sector_to_wr_bio()
- function scrub_wr_submit()
- function scrub_wr_bio_end_io()
- function scrub_wr_bio_end_io_worker()

And one more function needs to be exported temporarily:

- scrub_sector_get()

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

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Qu Wenruo 2023-03-29 14:16:24 +08:00 • committed by David Sterba

parent 5dc96f8d5d

commit 16f9399349

2 changed files with 3 additions and 219 deletions

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221

fs/btrfs/scrub.c

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1

fs/btrfs/scrub.h

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