bcachefs: Refactor bch2_run_recovery_passes()

Don't use a continue; this simplifies the next patch where
run_recovery_passes() will be responsible for waking up copygc and
rebalance at the appropriate time.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

Author: Kent Overstreet

fs/bcachefs/recovery_passes.c

@@ -12,6 +12,7 @@
 #include "journal.h"
 #include "lru.h"
 #include "logged_ops.h"
+#include "movinggc.h"
 #include "rebalance.h"
 #include "recovery.h"
 #include "recovery_passes.h"
@@ -262,49 +263,45 @@ int bch2_run_recovery_passes(struct bch_fs *c)
 	 */
 	c->opts.recovery_passes_exclude &= ~BCH_RECOVERY_PASS_set_may_go_rw;
 
-	while (c->curr_recovery_pass < ARRAY_SIZE(recovery_pass_fns) && !ret) {
-		c->next_recovery_pass = c->curr_recovery_pass + 1;
+	spin_lock_irq(&c->recovery_pass_lock);
 
-		spin_lock_irq(&c->recovery_pass_lock);
+	while (c->curr_recovery_pass < ARRAY_SIZE(recovery_pass_fns) && !ret) {
 		unsigned pass = c->curr_recovery_pass;
 
+		c->next_recovery_pass = pass + 1;
+
 		if (c->opts.recovery_pass_last &&
-		    c->curr_recovery_pass > c->opts.recovery_pass_last) {
-			spin_unlock_irq(&c->recovery_pass_lock);
+		    c->curr_recovery_pass > c->opts.recovery_pass_last)
 			break;
-		}
 
-		if (!should_run_recovery_pass(c, pass)) {
-			c->curr_recovery_pass++;
-			c->recovery_pass_done = max(c->recovery_pass_done, pass);
+		if (should_run_recovery_pass(c, pass)) {
 			spin_unlock_irq(&c->recovery_pass_lock);
-			continue;
-		}
-		spin_unlock_irq(&c->recovery_pass_lock);
-
-		ret =   bch2_run_recovery_pass(c, pass) ?:
-			bch2_journal_flush(&c->journal);
-
-		if (!ret && !test_bit(BCH_FS_error, &c->flags))
-			bch2_clear_recovery_pass_required(c, pass);
-
-		spin_lock_irq(&c->recovery_pass_lock);
-		if (c->next_recovery_pass < c->curr_recovery_pass) {
-			/*
-			 * bch2_run_explicit_recovery_pass() was called: we
-			 * can't always catch -BCH_ERR_restart_recovery because
-			 * it may have been called from another thread (btree
-			 * node read completion)
-			 */
-			ret = 0;
-			c->recovery_passes_complete &= ~(~0ULL << c->curr_recovery_pass);
-		} else {
-			c->recovery_passes_complete |= BIT_ULL(pass);
-			c->recovery_pass_done = max(c->recovery_pass_done, pass);
+			ret =   bch2_run_recovery_pass(c, pass) ?:
+				bch2_journal_flush(&c->journal);
+
+			if (!ret && !test_bit(BCH_FS_error, &c->flags))
+				bch2_clear_recovery_pass_required(c, pass);
+			spin_lock_irq(&c->recovery_pass_lock);
+
+			if (c->next_recovery_pass < c->curr_recovery_pass) {
+				/*
+				 * bch2_run_explicit_recovery_pass() was called: we
+				 * can't always catch -BCH_ERR_restart_recovery because
+				 * it may have been called from another thread (btree
+				 * node read completion)
+				 */
+				ret = 0;
+				c->recovery_passes_complete &= ~(~0ULL << c->curr_recovery_pass);
+			} else {
+				c->recovery_passes_complete |= BIT_ULL(pass);
+				c->recovery_pass_done = max(c->recovery_pass_done, pass);
+			}
 		}
+
 		c->curr_recovery_pass = c->next_recovery_pass;
-		spin_unlock_irq(&c->recovery_pass_lock);
 	}
 
+	spin_unlock_irq(&c->recovery_pass_lock);
+
 	return ret;
 }