bcachefs: cond_resched() in journal_key_sort_cmp()

Kent Overstreet · Kent Overstreet · commit d0fb2a266a3d · 2025-03-26T16:26:35.000-04:00
Fixes "task out to lunch" warnings during recovery on large machines
with lots of dirty data in the journal.

Signed-off-by: Kent Overstreet &lt;kent.overstreet@linux.dev&gt;
diff --git a/fs/bcachefs/btree_journal_iter.c b/fs/bcachefs/btree_journal_iter.c
@@ -644,6 +644,8 @@ void bch2_btree_and_journal_iter_init_node_iter(struct btree_trans *trans,
  */
 static int journal_sort_key_cmp(const void *_l, const void *_r)
 {
+	cond_resched();
+
 	const struct journal_key *l = _l;
 	const struct journal_key *r = _r;
 

Original file line number	Diff line number	Diff line change
`@@ -644,6 +644,8 @@ void bch2_btree_and_journal_iter_init_node_iter(struct btree_trans *trans,`
`644`	`644`	`*/`
`645`	`645`	`static int journal_sort_key_cmp(const void _l, const void _r)`
`646`	`646`	`{`
	`647`	`+ cond_resched();`
	`648`	`+`
`647`	`649`	`const struct journal_key *l = _l;`
`648`	`650`	`const struct journal_key *r = _r;`
`649`	`651`