bcachefs: Add missing bch2_moving_ctxt_flush_all()

Kent Overstreet · Kent Overstreet · commit ef740a1e2939 · 2024-01-21T13:27:09.000-05:00
This fixes a bug with rebalance IOs getting stuck with reads completed,
but writes never being issued.

Signed-off-by: Kent Overstreet &lt;kent.overstreet@linux.dev&gt;
diff --git a/fs/bcachefs/rebalance.c b/fs/bcachefs/rebalance.c
@@ -371,6 +371,7 @@ static int do_rebalance(struct moving_context *ctxt)
 	    !kthread_should_stop() &&
 	    !atomic64_read(&r->work_stats.sectors_seen) &&
 	    !atomic64_read(&r->scan_stats.sectors_seen)) {
+		bch2_moving_ctxt_flush_all(ctxt);
 		bch2_trans_unlock_long(trans);
 		rebalance_wait(c);
 	}

Original file line number	Diff line number	Diff line change
`@@ -371,6 +371,7 @@ static int do_rebalance(struct moving_context *ctxt)`
`371`	`371`	`!kthread_should_stop() &&`
`372`	`372`	`!atomic64_read(&r->work_stats.sectors_seen) &&`
`373`	`373`	`!atomic64_read(&r->scan_stats.sectors_seen)) {`
	`374`	`+ bch2_moving_ctxt_flush_all(ctxt);`
`374`	`375`	`bch2_trans_unlock_long(trans);`
`375`	`376`	`rebalance_wait(c);`
`376`	`377`	`}`