diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/disk-io.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 41dea24e2681..87a5addbedf6 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4483,6 +4483,48 @@ int btrfs_commit_super(struct btrfs_fs_info *fs_info) return btrfs_commit_transaction(trans); } +static void warn_about_uncommitted_trans(struct btrfs_fs_info *fs_info) +{ + struct btrfs_transaction *trans; + struct btrfs_transaction *tmp; + bool found = false; + + if (list_empty(&fs_info->trans_list)) + return; + + /* + * This function is only called at the very end of close_ctree(), + * thus no other running transaction, no need to take trans_lock. + */ + ASSERT(test_bit(BTRFS_FS_CLOSING_DONE, &fs_info->flags)); + list_for_each_entry_safe(trans, tmp, &fs_info->trans_list, list) { + struct extent_state *cached = NULL; + u64 dirty_bytes = 0; + u64 cur = 0; + u64 found_start; + u64 found_end; + + found = true; + while (!find_first_extent_bit(&trans->dirty_pages, cur, + &found_start, &found_end, EXTENT_DIRTY, &cached)) { + dirty_bytes += found_end + 1 - found_start; + cur = found_end + 1; + } + btrfs_warn(fs_info, + "transaction %llu (with %llu dirty metadata bytes) is not committed", + trans->transid, dirty_bytes); + btrfs_cleanup_one_transaction(trans, fs_info); + + if (trans == fs_info->running_transaction) + fs_info->running_transaction = NULL; + list_del_init(&trans->list); + + btrfs_put_transaction(trans); + trace_btrfs_transaction_commit(fs_info); + } + ASSERT(!found); +} + void __cold close_ctree(struct btrfs_fs_info *fs_info) { int ret; @@ -4591,7 +4633,7 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info) btrfs_stop_all_workers(fs_info); /* We shouldn't have any transaction open at this point */ - ASSERT(list_empty(&fs_info->trans_list)); + warn_about_uncommitted_trans(fs_info); clear_bit(BTRFS_FS_OPEN, &fs_info->flags); free_root_pointers(fs_info, true); |