From ca43f73cd1720e3b0b9c49deec1a13c89c0ca1e8 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Thu, 7 Nov 2024 21:48:33 -0500 Subject: bcachefs: bch2_btree_write_buffer_flush_going_ro() The write buffer needs to be specifically flushed when going RO: keys in the journal that haven't yet been moved to the write buffer don't have a journal pin yet. This fixes numerous syzbot bugs, all with symptoms of still doing writes after we've got RO. Signed-off-by: Kent Overstreet --- fs/bcachefs/btree_write_buffer.h | 1 + 1 file changed, 1 insertion(+) (limited to 'fs/bcachefs/btree_write_buffer.h') diff --git a/fs/bcachefs/btree_write_buffer.h b/fs/bcachefs/btree_write_buffer.h index 725e79654216..d535cea28bde 100644 --- a/fs/bcachefs/btree_write_buffer.h +++ b/fs/bcachefs/btree_write_buffer.h @@ -21,6 +21,7 @@ static inline bool bch2_btree_write_buffer_must_wait(struct bch_fs *c) struct btree_trans; int bch2_btree_write_buffer_flush_sync(struct btree_trans *); +bool bch2_btree_write_buffer_flush_going_ro(struct bch_fs *); int bch2_btree_write_buffer_flush_nocheck_rw(struct btree_trans *); int bch2_btree_write_buffer_tryflush(struct btree_trans *); -- cgit v1.2.3