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bcachefs: discard path uses unlock_long()

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Some (bad) devices can have really terrible discard latency; we don't
want them blocking memory reclaim and causing warnings.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-01-22 18:08:51 -05:00
parent 3e44f325f6
commit 096386a5bc
1 changed files with 1 additions and 1 deletions
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2
fs/bcachefs/alloc_background.c
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@ -1715,7 +1715,7 @@ static int bch2_discard_one_bucket(struct btree_trans *trans,
* This works without any other locks because this is the only
* thread that removes items from the need_discard tree
*/
bch2_trans_unlock(trans);
bch2_trans_unlock_long(trans);
blkdev_issue_discard(ca->disk_sb.bdev,
k.k->p.offset * ca->mi.bucket_size,
ca->mi.bucket_size,