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Commit 9a3daff3 authored by Nikolay Borisov's avatar Nikolay Borisov Committed by David Sterba
Browse files

btrfs: Add enospc_debug printing in metadata_reserve_bytes 



Currently when enospc_debug mount option is turned on we do not print
any debug info in case metadata reservation failures happen. Fix this
by adding the necessary hook in reserve_metadata_bytes.

Signed-off-by: default avatarNikolay Borisov <nborisov@suse.com>
Reviewed-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 45ae2c18

fs/btrfs/extent-tree.c

+6 −1
Original line number Diff line number Diff line
@@ -5394,10 +5394,15 @@ static int reserve_metadata_bytes(struct btrfs_root *root, 
		    !block_rsv_use_bytes(global_rsv, orig_bytes))

			ret = 0;

	}

	if (ret == -ENOSPC)

	if (ret == -ENOSPC) {

		trace_btrfs_space_reservation(fs_info, "space_info:enospc",

					      block_rsv->space_info->flags,

					      orig_bytes, 1);



		if (btrfs_test_opt(fs_info, ENOSPC_DEBUG))

			dump_space_info(fs_info, block_rsv->space_info,

					orig_bytes, 0);

	}

	return ret;

}