btrfs: scrub: remove scrub_bio structure

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Since scrub path has been fully moved to scrub_stripe based facilities,
no more scrub_bio would be submitted.
Thus we can remove it completely, this involves:

- SCRUB_SECTORS_PER_BIO macro
- SCRUB_BIOS_PER_SCTX macro
- SCRUB_MAX_PAGES macro
- BTRFS_MAX_MIRRORS macro
- scrub_bio structure
- scrub_ctx::bios member
- scrub_ctx::curr member
- scrub_ctx::bios_in_flight member
- scrub_ctx::workers_pending member
- scrub_ctx::list_lock member
- scrub_ctx::list_wait member

- function scrub_bio_end_io_worker()
- function scrub_pending_bio_inc()
- function scrub_pending_bio_dec()
- function scrub_throttle()
- function scrub_submit()

- function scrub_find_csum()
- function drop_csum_range()

- Some unnecessary flush and scrub pauses

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 14:54:57 +08:00 • committed by David Sterba

parent 001e3fc263

commit 13a62fd997

2 changed files with 6 additions and 244 deletions

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245

fs/btrfs/scrub.c

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5

fs/btrfs/scrub.h

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