Update bcachefs sources to 82792a451950 bcachefs: Switch some bch2_de…

…v_rcu() calls to _noerror

Signed-off-by: Kent Overstreet <[email protected]>

.bcachefs_revision

@@ -1 +1 @@
-ec2ddb95112b8967753591b16e2e439eee76c5b1
+82792a451950397b8594b399bed03cfda1f31299

libbcachefs/backpointers.c

@@ -55,7 +55,7 @@ int bch2_backpointer_validate(struct bch_fs *c, struct bkey_s_c k,
 	struct bkey_s_c_backpointer bp = bkey_s_c_to_backpointer(k);
 
 	rcu_read_lock();
-	struct bch_dev *ca = bch2_dev_rcu(c, bp.k->p.inode);
+	struct bch_dev *ca = bch2_dev_rcu_noerror(c, bp.k->p.inode);
 	if (!ca) {
 		/* these will be caught by fsck */
 		rcu_read_unlock();
@@ -89,7 +89,7 @@ void bch2_backpointer_to_text(struct printbuf *out, const struct bch_backpointer
 void bch2_backpointer_k_to_text(struct printbuf *out, struct bch_fs *c, struct bkey_s_c k)
 {
 	rcu_read_lock();
-	struct bch_dev *ca = bch2_dev_rcu(c, k.k->p.inode);
+	struct bch_dev *ca = bch2_dev_rcu_noerror(c, k.k->p.inode);
 	if (ca) {
 		struct bpos bucket = bp_pos_to_bucket(ca, k.k->p);
 		rcu_read_unlock();
@@ -673,7 +673,7 @@ static int check_extent_to_backpointers(struct btree_trans *trans,
 			continue;
 
 		rcu_read_lock();
-		struct bch_dev *ca = bch2_dev_rcu(c, p.ptr.dev);
+		struct bch_dev *ca = bch2_dev_rcu_noerror(c, p.ptr.dev);
 		if (ca)
 			bch2_extent_ptr_to_bp(c, ca, btree, level, k, p, entry, &bucket_pos, &bp);
 		rcu_read_unlock();

libbcachefs/extents.c

@@ -1027,7 +1027,7 @@ void bch2_extent_ptr_to_text(struct printbuf *out, struct bch_fs *c, const struc
 {
 	out->atomic++;
 	rcu_read_lock();
-	struct bch_dev *ca = bch2_dev_rcu(c, ptr->dev);
+	struct bch_dev *ca = bch2_dev_rcu_noerror(c, ptr->dev);
 	if (!ca) {
 		prt_printf(out, "ptr: %u:%llu gen %u%s", ptr->dev,
 			   (u64) ptr->offset, ptr->gen,
@@ -1131,8 +1131,9 @@ static int extent_ptr_validate(struct bch_fs *c,
 {
 	int ret = 0;
 
+	/* bad pointers are repaired by check_fix_ptrs(): */
 	rcu_read_lock();
-	struct bch_dev *ca = bch2_dev_rcu(c, ptr->dev);
+	struct bch_dev *ca = bch2_dev_rcu_noerror(c, ptr->dev);
 	if (!ca) {
 		rcu_read_unlock();
 		return 0;

libbcachefs/super-io.c

@@ -524,7 +524,7 @@ static void bch2_sb_update(struct bch_fs *c)
 	c->sb.time_units_per_sec = NSEC_PER_SEC / c->sb.nsec_per_time_unit;
 
 	/* XXX this is wrong, we need a 96 or 128 bit integer type */
-	c->sb.time_base_lo	= div64_u64(le64_to_cpu(src->time_base_lo),
+	c->sb.time_base_lo	= div_u64(le64_to_cpu(src->time_base_lo),
 					  c->sb.nsec_per_time_unit);
 	c->sb.time_base_hi	= le32_to_cpu(src->time_base_hi);