From 8ec0a4a5774ab3f91c356c71f24dfba615bee860 Mon Sep 17 00:00:00 2001 From: Filipe Manana Date: Fri, 8 Sep 2023 18:20:29 +0100 Subject: [PATCH] btrfs: log message if extent item not found when running delayed extent op When running a delayed extent operation, if we don't find the extent item in the extent tree we just return -EIO without any logged message. This indicates some bug or possibly a memory or fs corruption, so the return value should not be -EIO but -EUCLEAN instead, and since it's not expected to ever happen, print an informative error message so that if it happens we have some idea of what went wrong, where to look at. Reviewed-by: Josef Bacik Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/extent-tree.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index fd80129acc3c9..fc313fce5bbdc 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1655,7 +1655,10 @@ again: goto again; } } else { - err = -EIO; + err = -EUCLEAN; + btrfs_err(fs_info, + "missing extent item for extent %llu num_bytes %llu level %d", + head->bytenr, head->num_bytes, extent_op->level); goto out; } } -- 2.30.2