Re: [PATCH 05/14] Btrfs: warn_on for unaccounted spaces

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Hi Josef,

Would you please move this patch to the first of the patchset?

It's making bisect quite hard, as it will always stop at this patch, hard to check if it's a regression or existing bug.

Thanks,
Qu

At 03/26/2016 01:25 AM, Josef Bacik wrote:
These were hidden behind enospc_debug, which isn't helpful as they indicate
actual bugs, unlike the rest of the enospc_debug stuff which is really debug
information.  Thanks,

Signed-off-by: Josef Bacik <jbacik@xxxxxx>
---
 fs/btrfs/extent-tree.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 157a0b6..90ac821 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -9633,13 +9633,15 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info)
 		space_info = list_entry(info->space_info.next,
 					struct btrfs_space_info,
 					list);
-		if (btrfs_test_opt(info->tree_root, ENOSPC_DEBUG)) {
-			if (WARN_ON(space_info->bytes_pinned > 0 ||
+
+		/*
+		 * Do not hide this behind enospc_debug, this is actually
+		 * important and indicates a real bug if this happens.
+		 */
+		if (WARN_ON(space_info->bytes_pinned > 0 ||
 			    space_info->bytes_reserved > 0 ||
-			    space_info->bytes_may_use > 0)) {
-				dump_space_info(space_info, 0, 0);
-			}
-		}
+			    space_info->bytes_may_use > 0))
+			dump_space_info(space_info, 0, 0);
 		list_del(&space_info->list);
 		for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) {
 			struct kobject *kobj;



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