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btrfs: reduce critical section at btrfs_wait_ordered_extents()

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At btrfs_wait_ordered_extents(), there's no point in updating the counters
after locking the root's ordered extent lock, as the counters are local.
So change this to update the counters before taking the lock.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2024-06-03 13:30:35 +01:00 committed by David Sterba
parent 03103ecf5e
commit ac1f580c10
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/ordered-data.c
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@ -783,10 +783,10 @@ u64 btrfs_wait_ordered_extents(struct btrfs_root *root, u64 nr,
btrfs_queue_work(fs_info->flush_workers, &ordered->flush_work);
cond_resched();
spin_lock(&root->ordered_extent_lock);
if (nr != U64_MAX)
nr--;
count++;
spin_lock(&root->ordered_extent_lock);
}
list_splice_tail(&skipped, &root->ordered_extents);
list_splice_tail(&splice, &root->ordered_extents);