xfs_iomap_prealloc_size 663 fs/xfs/xfs_iomap.c prealloc_blocks = xfs_iomap_prealloc_size(ip, whichfork, offset, xfs_iomap_prealloc_size 709 fs/xfs/xfs_trace.h TRACE_EVENT(xfs_iomap_prealloc_size,