btrfs: save irq flags when looking up an ordered extent

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A following patch will add another caller of
btrfs_lookup_ordered_extent(), but from a bio's endio context.

btrfs_lookup_ordered_extent() uses spin_lock_irq() which unconditionally
disables interrupts. Change this to spin_lock_irqsave() so interrupts
aren't disabled and re-enabled unconditionally.

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

parent 08f455593f

commit 24533f6a9a

1 changed files with 3 additions and 2 deletions

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fs/btrfs/ordered-data.c

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