btrfs: zoned: check if bio spans across an ordered extent

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To ensure that an ordered extent maps to a contiguous region on disk, we
need to maintain a "one bio == one ordered extent" rule.

Ensure that constructing bio does not span more than an ordered extent.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.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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Johannes Thumshirn 2021-02-04 19:22:01 +09:00 • committed by David Sterba

parent d22002fd37

commit cacb2cea46

3 changed files with 36 additions and 2 deletions

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2

fs/btrfs/ctree.h

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9

fs/btrfs/extent_io.c

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27

fs/btrfs/inode.c

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