btrfs: handle completed ordered extents in btrfs_split_ordered_extent

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To delay splitting ordered_extents to I/O completion time we need to be
able to handle fully completed ordered extents in
btrfs_split_ordered_extent.  Besides a bit of accounting this primarily
involved moving over the csums to the split bio for the range that it
covers, which is simple enough because we always have one
btrfs_ordered_sum per bio.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David Sterba <dsterba@suse.com>

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Christoph Hellwig 2023-05-24 17:03:15 +02:00 • committed by David Sterba

parent 816f589b8d

commit 52b1fdca23

1 changed files with 32 additions and 8 deletions

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fs/btrfs/ordered-data.c

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