btrfs: remove the io_pages field in struct extent_buffer

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No need to track the number of pages under I/O now that each
extent_buffer is read and written using a single bio.  For the
read side we need to grab an extra reference for the duration of
the I/O to prevent eviction, though.

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

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Christoph Hellwig 2023-05-03 17:24:36 +02:00 • committed by David Sterba

parent 31d89399da

commit 113fa05c2f

2 changed files with 5 additions and 13 deletions

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17

fs/btrfs/extent_io.c

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1

fs/btrfs/extent_io.h

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