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Commit b78e5616 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: dump block_rsv details when dumping space info 



For enospc_debug having the block rsvs is super helpful to see if we've
done something wrong.

Reviewed-by: default avatarOmar Sandoval <osandov@fb.com>
Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent d89dbefb

fs/btrfs/extent-tree.c

+15 −0
Original line number Diff line number Diff line
@@ -8086,6 +8086,15 @@ 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)
@@ -8105,6 +8114,12 @@ 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;