dbAllocDmap
return (dbAllocDmap(bmp, dp, blkno, nblocks));
if ((rc = dbAllocDmap(bmp, dp, blkno, nblocks)) == 0)
if ((rc = dbAllocDmap(bmp, dp, b, nb))) {
if ((rc = dbAllocDmap(bmp, dp, blkno, nblocks)) == 0)
static int dbAllocDmap(struct bmap * bmp, struct dmap * dp, s64 blkno,