For enospc_debug having the block rsvs is super helpful to see if we've
done something wrong.
Signed-off-by: Josef Bacik <josef@xxxxxxxxxxxxxx>
Reviewed-by: Omar Sandoval <osandov@xxxxxx>
Reviewed-by: David Sterba <dsterba@xxxxxxxx>
---
fs/btrfs/extent-tree.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 4aab49debfc3..8b00c658deb3 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7918,6 +7918,15 @@ static noinline int find_free_extent(struct btrfs_fs_info *fs_info,
return ret;
}
+#define DUMP_BLOCK_RSV(fs_info, rsv_name) \
+do { \
+ struct btrfs_block_rsv *__rsv = &(fs_info)->rsv_name; \
+ spin_lock(&__rsv->lock); \
+ btrfs_info(fs_info, #rsv_name ": size %llu reserved %llu", \
+ __rsv->size, __rsv->reserved); \
+ spin_unlock(&__rsv->lock); \
+} while (0)
+
static void dump_space_info(struct btrfs_fs_info *fs_info,
struct btrfs_space_info *info, u64 bytes,
int dump_block_groups)
@@ -7937,6 +7946,12 @@ static void dump_space_info(struct btrfs_fs_info *fs_info,
info->bytes_readonly);
spin_unlock(&info->lock);
+ DUMP_BLOCK_RSV(fs_info, global_block_rsv);
+ DUMP_BLOCK_RSV(fs_info, trans_block_rsv);
+ DUMP_BLOCK_RSV(fs_info, chunk_block_rsv);
+ DUMP_BLOCK_RSV(fs_info, delayed_block_rsv);
+ DUMP_BLOCK_RSV(fs_info, delayed_refs_rsv);
+
if (!dump_block_groups)
return;
--
2.14.3
